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''Jikan no nami wo tsukamaete! (Hold on to the waves of time!)\\
Ima sugu ni yukou yakusoku no basho. (Let's go right away to the promised place.)\\
Genkai mugen, iza tobikome! (Limits are infinite, now jump into it!)\\
[[DancingTheme Climax Jump]]!''

[[foldercontrol]]

[[folder:[=DenLiner=] Crew]]

!!Ryotaro Nogami[=/=]Kamen Rider Den-O
!!!Portrayed by Takeru Satoh and Takuya Mizoguchi
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/ryotaronogami.png]]
[[caption-width-right:200:"I don't have any energy left to faint!"]]

The protagonist and eponymous Kamen Rider, Ryotaro is quite possibly [[CosmicPlaything the unluckiest being on Earth]] (and a high school drop-out supporting his only other family member, his older sister Airi); every day is [[TheChewToy a parade of misfortune for him]]. In the middle of an unusually bad day, he's possessed by a time-travelling monster called an Imagin, meets a strange girl who tells him he's a [[RippleEffectProofMemory Singularity Point]], and said girl and Imagin effectively "railroad" him into becoming Den-O. Even though by his own admission [[TheEveryman he's not exceptionally strong, smart, or brave]], when the chips are down his true strength appears in the form of [[{{Determinator}} unstoppable determination]]. In a way, his horrid luck could be seen as a [[CursedWithAwesome mixed blessing]], since he's been through so much that it takes a lot to really faze or hurt him. He's also [[TheHeart very good at reading people's emotions and true feelings]]; Ryotaro's ultimate strength may lie in his [[AllLovingHero unflappable kindness]]. As the series went on, he started to develop self-confidence, assertion, strength, and bravery, eventually being able to show himself as an independent person and a worthy hero.

----
* {{Adorkable}}: He is shy, soft-spoken and awkward most of the time.
* AllLovingHero: He is willing to help other people whenever possible.
* BewareTheNiceOnes: As noted above, it takes a lot to rile him [[spoiler:such as the death of Yuto]], but when it happens, [[TranquilFury you should run]].
%%* {{Bishonen}}
* CallingYourAttacks: [[FinishingMove Hissatsu Waza!]]...um...''Densha Giri''! [[note]]Train Slash![[/note]] The crew's reaction?
--> '''The Crew''': Your naming sense is terrible!
* {{Catchphrase}}: "Let's go, Everyone!" [[note]]''"Minna, ikuyo!"''[[/note]] settled in after he gained Liner Form.
* ClassicalAntiHero: Incredibly clumsy, weak and unlucky, with his saving grace being strong morals and an absolute refusal to compromise them.
* CoolSword: [=DenGasher=] Sword Mode (used a couple of times in Plat Form and once in Liner Form in ''Final Countdown'' when he lost the [=DenKamen=] Sword).
* CosmicPlaything: After seeing the scene where he's whacked in the face with progressively larger balls (as in sports equipment), can you really call him anything else?
* CowardlyLion: He's very afraid the few times he's forced to fight, but he stays anyway because he knows what would happen if he runs.
* {{Determinator}}: Ryotaro's a pushover, but when he wants something, no matter how much you beat him down, he'll keep getting up to get it.
%%* TheEveryman
* FaceHeelTurn: Forced to do so by Yu-Ki in ''Final Countdown'' but is later rescued.
* FinishingMove: Liner Form's Train Slash (''Densha Giri''), which has five variations, four of which depends on the [=DenKamen=] Sword's setting:
** Momo-Sword Mode: ''[=DenKamen=] Slash'' [[note]]A horizontal slash with [=DenLiner=] Gouka's [=AuraLiner=] covering Den-O.[[/note]]
** Ura-Rod Mode: ''[=DenKamen=] Attack'' [[note]]A forward lunging stab with [=DenLiner=] Isurugi's [=AuraLiner=] covering Den-O.[[/note]]
** Kin-Ax Mode: ''[=DenKamen=] Chop'' [[note]]Never shown, but is said to be a forward bashing with [=DenLiner=] Rekkou's [=AuraLiner=] covering Den-O.[[/note]]
** Ryu-Gun Mode: ''[=DenKamen=] Shot'' [[note]]A projectile thrust with [=DenLiner=] Ikazuchi's [=AuraLiner=] covering Den-O. A variation involves the [=DenKamen=] Sword being used as a gun, which fires purple beam projectiles.[[/note]]
** ''Full Throttle Break'': Activated by spinning the turntable one full circle. During the attack, [=DenLiners=] Gouka, Isurugi, Rekkou and Ikazuchi flank on different sides of Den-O.
* FragileSpeedster: Liner Form.
* TheHeart: He's the most kindhearted of the main cast and constantly tries to keep the Taros from hurting others in their bouts of selfishness; this goes from taking issue with Momotaros stealing or demanding money in the first few episodes to claiming it's his responsibility to keep Ryutaros in line and even getting him to ''apologize'' for something late in the series.
%%* TheHero
* HonorBeforeReason: In an early episode, Ryotaro becomes angry with Momotaros for (unwittingly) aiding a robber. Later on he refuses to let Momo fight until he apologizes and promises never to let anything like it happen again. He does this ''in the middle of a battle'' where the Imagin is [[CurbStompBattle beating him senseless]].
* IdentityImpersonator: During the final arc, while stranded in the past, [[spoiler:Ryotaro impersonates ''himself'' in order to find out the secret of his family from his sister.]]
* InTheStyleOf: In addition to singing in all five standard versions of Double-Action, he gains a solo, Rock 'n Roll theme called Real-Action about the same time he gains Liner Form.
* JokeCharacter: Plat Form[[note]]although it's worth noting that stat-wise, [[Series/KamenRiderV3 Riderman]], [[Series/KamenRiderAgito G3 Mild]], [[Series/KamenRiderSkyrider Skyrider's original form]], and [[Series/KamenRiderDouble Kamen Rider Joker]] are weaker[[/note]].
* LockedOutOfTheLoop: [[spoiler:The fact that he's a Singularity Point plays a major role in Sakurai and Airi's plans, which Ryotaro himself doesn't learn until the next-to-last episode, and only then by deceiving a past version of Airi.]]
* ManySpiritsInsideOfOne: In his Climax and Super Climax Forms.
* MasculineGirlFeminineBoy: Feminine Boy to Hana's Masculine Girl.
* MeaningfulName: "Ryotaro" means "good boy".
* TheNthDoctor: After Takeru Satoh left the cast following the third movie, Takuya Mizoguchi (who played 11-year-old Ryotaro in the first) took over the role in the fourth with a HandWave about how changes to the past do this sort of thing all the time.
* ParentalAbandonment: Ryotaro's parents died when he was young, leaving his sister and grandmother to raise him.
* ThePollyanna: A rare male version.
* PowersViaPossession: How Ryotaro is able to access most of Den-O's forms.
* RaisedByGrandparents: He used to live his grandmother when he was young, as mentioned in ''Ore, Tanjou!''
* RippleEffectProofMemory: One of the defining characteristics of a Singularity Point. However, a PlotHole opened when it was revealed in the finale that [[spoiler:Sakurai and Airi's plan erased his memory of their daughter]] in the past. [[spoiler:It was one of Sakurai's cards that erased his memory, but he regained it, for the most part, upon meeting Yuto.]]
* RunningGag: Ryotaro will always...
** [[CosmicPlaything Have bad luck]].
** Suffer the consequences of his Taros' DemonicPossession.
** Have his naming sense mocked. For anything.
* SensitiveGuyAndManlyMan: Sensitive Guy to Yuto's Manly Man.
* ShrinkingViolet: Ryotaro during the beginning of the series was a cowardly type and usually shy.
* SkunkStripe: Whenever an Imagin possesses him, he gets a different color streak in his hair.
* SuperMode: Liner Form, where he gains a special BFS that has the powers of ALL the Taros, and can even summon the [[CoolTrain Den Liner]] to aid in his own unique FinishingMove.
** Played with in that stats reveal that it's actually weaker than other forms in some regards, and he's still a novice fighter in the form.
* SwissArmyWeapon: [[{{BFS}} DenKamen Sword]]; like the [=DenGasher=], it can emulate whatever Den-O weapon the Liner Form is imitating.
* ThisLoserIsYou: He starts out a loser because of his terrible luck and his tendency for being timid, but gets better as he gains more self confidence and determination.
* TimeShiftedActor: Aside from Takeru Sato and Takuya Mizoguchi's [[MyFutureSelfAndMe meeting]] in the first movie, the ending of the third movie shows Kotaro arriving in his timeline, and meeting up with Ryotaro as an old man (who was only seen from the back).
* TookALevelInBadass: After he achieves Liner Form, he comes over as much more serious and determined than at the start of the series.
* YouGottaHaveBlueHair: Any possession by an Imagin changes his hairstyle and adds a touch of color. This even applies when possessed by the evil Ghost Imagin in ''Final Countdown'', turning his hair entirely white.
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!!Hana [[spoiler:Sakurai]][=/=]Kohana
!!!Portrayed by Yuriko Shiratori[=/=]Tamaki Matsumoto
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/hana_7.png]]
[[caption-width-right:200:"I can't allow that. I won't let you Imagin kill Den-O."]]
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kohana.png]]
[[caption-width-right:200:As Kohana]]
The mysterious young woman who drags Ryotaro into the battle with the Imagin, providing him with the Den-O Belt and [=DenLiner=]. Hana is the [[LastOfHisKind only survivor]] of a future timeline wiped out by the Imagin, saved only by the fact that she's a Singularity Point like Ryotaro. Because of this, she has a strong dedication to protecting the timeline and a fierce hatred for Imagin, a stance which gradually changes as she interacts with the Taros. She helps Ryotaro investigate the Imagin, and works to keep the Taros in line, usually berating (or [[DopeSlap Dope Punching]]) Momo for being violent or Ura for chasing skirt. As a new connection to Hana's destroyed time forms, she finds herself de-aged into a ten-year-old whom Ryotaro nicknames Kohana (literally "Little Hana") and tries to pass off as Hana's little sister to {{Muggles}}. Her true nature and her relationship to the strange happenings around Ryotaro is revealed late in the series.

----
* ActionGirl: In a case different from the role of most female leads in Kamen Rider, she actually accomplishes things throughout the show, and isn't even afraid of taking on numerous martial artists at once in a fight. It also helps that she has an unusually powerful punch for someone of her frame.
* BadassAdorable: Being turned into a cute little girl does not decrease her physical strength one bit.
* BadassNormal: Powerful enough to knock the Taros out.
* BarrierMaiden: As [[spoiler:the Junction Point]].
* CoolBigSis: Treats Ryotaro this way before being de-aged, although she's still pretty cool and mature in spirit even after that.
* DopeSlap: A master of this trope. Her punches are what help mellow Sieg's arrogant JerkAss-ness.
* KidFromTheFuture: [[spoiler:She's the daughter of Airi and Sakurai.]]
* MamaBear: She is fiercely protective of Ryotaro and often goes out of her way to make sure he is alright. [[spoiler: This becomes a bit [[{{Irony}} ironic]] when she turns out to be his ''niece''.]]
* MasculineGirlFeminineBoy: Masculine Girl to Ryotaro's Feminine Boy.
* MegatonPunch: Gets even more impressive when she becomes Kohana and suffers no drop in power.
* TheNthDoctor: Tamaki Matsumoto for Yuriko Shiratori, which is explained in-series as Hana de-aging from a distortion in time. [[RealLifeWritesThePlot Shiratori left the series due to the stresses of filming.]]
* PerpetualFrowner: When played by Yuriko Shiratori. Not so much when Tamaki Matsumoto took over.
* SmallGirlBigGun: Wields a [[{{BFG}} bazooka]] as her WeaponOfChoice in ''Climax Deka''.
* SuperStrength: Played mainly for laughs whenever she abuses the Imagin, to the point where they're all afraid of her.
* TeamMom: A much less gentle version of this trope, but Hana is the member of the team that keeps all the Imagin in line and worries the most about Ryotaro's health. If not for her, hardly anything would get done.
* TokenMiniMoe: As Kohana.
* TomboyAndGirlyGirl: Tomboy to Naomi's Girly Girl.
* {{Tsundere}}: For the Imagin; normally she makes it very clear how much she hates Imagin and routinely beats up the four Taros for how they treat Ryotaro, but she does care about them deep down. She even cried when [[spoiler:Ura, Kin, and Ryu seemingly vanished]].
* UnlimitedWardrobe: Every time she steps off the [=DenLiner=], she wears a different outfit.
* WaifFu: Exhibited more as Kohana.
-----
!!Naomi
!!!portrayed by Rina Akiyama
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/naomi_91.png]]
[[caption-width-right:200:"Thank you for boarding the Denliner today.Your attendant today is...Me! Naomi!"]]

The [=DenLiner=]'s waitress[=/=]stewardess, Naomi runs the dining car and serves coffee to the Den-O team. She's energetic and unflappable, sticking to her philosophy of only making coffee. She's great friends with the Imagin, often playing with Ryutaros; it was Naomi who named him in the first place. Despite appearing to be little more than a ditzy waitress, Naomi is a fixture of the [=DenLiner=] and has demonstrated resourcefulness and resolve when things look bad.

----
* BigDamnHeroes: Rescues [[spoiler:Kintaros and Urataros in the past, and brings them alongside Sieg to the present for the final battle]].
* CordonBleughChef: She puts salt, pepper, ''flour'', and '''''wasabi''''' in her coffee. The only people who like it are the Imagin. However, this status only applies to her coffee; the food she makes is excellent, if sometimes a bit excessive in volume.
** Oddly, during one episode where Naomi was taking care of Airi's shop, she took a taste of Airi's coffee and had the same reaction people other than the Taros have with her coffee. Kinda calls into question her tastes.
* GenkiGirl: Usually seen with lots of energy and a smile on her face.
* InTheStyleOf: Double-Action Coffee Form, along with Airi = Light Pop.
* PaintedOnPants: With arrows.
* ThePollyanna: Hardly seen without her smile.
* TomboyAndGirlyGirl: Girly Girl to Hana's Tomboy.

-----
!!The Owner
!!!Portrayed by Kenjiro Ishimaru
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/owner_5.png]]

The mysterious man who operates the [=DenLiner=] and works with Hana to protect the timeline. He occasionally imparts cryptic information to Ryotaro, but is primarily concerned with the safety of the [=DenLiner=] and its passengers, leaving the Imagin to Den-O. Mostly laid-back, he can be harsh towards those who break the train's rules, bother his passengers, or attempt to disrupt time. His "hobby" is eating piled foods (such as rice, flan, or pudding) with a flag on top, attempting to take as many bites as possible before the flag falls. Later in the series the cast meets the ''Station Master'' who runs the [=KingLiner=] and is the Owner's rival in the food-flag "game".

----
* BerserkButton: Mess with the rules of the [=DenLiner=] and the normally mellow Owner might slap you with a Denial of Passage ticket.
* BigGood: He's the owner of the [=DenLiner=] and thus decides who can and cannot ride on it, based on whether they have a ticket and if they're obeying the rules. Although he says even he doesn't know everything about time, he certainly knows the most of the main cast and the characters usually go to him if there's a problem they don't understand.
%%* CampGay: The Station Master.
%%* CloudCuckoolander
* EccentricMentor: Eccentric is an understatement for someone whose only concern in life is beating the Station Master at their food-based competitions (or making sure that the flag in the food he's eating doesn't fall.) Despite this he's the one who teaches Ryotaro and Hana the most about the oddities of time.
* EveryoneCallsHimBarkeep: The Owner and the Station Master have no names other than their job titles.
* IdenticalStranger: The Owner and the Station Master, who both look exactly alike save for the Station Master always smiling. They insist it's just your imagination.
* InexplicablyAwesome: He displays some strange supernatural abilities, such as destroying an electrically charged cell with a paper flag, having immunity to Ryutaros' mind control and running so fast he can keep up with the Den-Liner! The character himself receives no backstory whatsoever.
* RunningGag: Because of the above trope, characters who meet both the Owner and Station Master at the same time actually confuse them for twins.
* SeriousBusiness: Food Flags toppling over ''before'' he finishes his food.
* TwinSwitch: It's not clear if he's actually twins with the identical Station Master, but in ''Onigashima Battleship'' [[spoiler:they pull this while "giving" the Oni the [=DenLiner=] so they won't realize that the Owner never actually left the train.]]

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!!Momotaros[=/=]Kamen Rider Den-O Sword Form
!!!Voiced by Creator/ToshihikoSeki; suit actor Seiji Takaiwa
[[quoteright:177:https://static.tvtropes.org/pmwiki/pub/images/momotaros_2.png]]
[[caption-width-right:177:"I...have arrived!"]]
[[quoteright:180:https://static.tvtropes.org/pmwiki/pub/images/krd_den_o_7.png]]
The first Imagin to possess Ryotaro, he resembles the red oni from the legend of Momotaro, and his abilities (including those as Den-O Sword Form) are drawn from the same story. HotBlooded and hot-headed, Momotaros is [[BloodKnight always spoiling for a fight]] whether with enemy Imagin or with whomever happens to tick him off at the moment. Initially annoyed when he realized he possessed a Singularity Point, the then-unnamed Imagin sided with Ryotaro when they were attacked by the Bat Imagin on the basis that if Ryotaro died, so did he. After the battle, Ryotaro gave the red oni-esque Imagin the name "Momotaros" after the legend of Momotaro the Peach Boy. While a brash BoisterousBruiser might seem at odds with Ryotaro's normal personality, it's his eccentricies like [[AssKickingPose posing]], [[InTheNameOfTheMoon pre-battle speeches]] and [[CallingYourAttacks calling his attacks]] that makes Den-O resemble more traditional Kamen Riders. Despite his rough attitude, Momotaros is fiercely loyal to his teammates, and seeks to improve Ryotaro by toughening him up and improving his "bad taste".

----
* AnimeHair: A side effect on people possessed by him; their hair stands straight up and has a red streak.
* {{BFS}}: [=MomoSword=].
* BigBrotherInstinct: Eventually develops one for Ryotaro as well as the other Taros, like making sure to get the Anthopper Imagins back for beating up Ryutaros. [[spoiler:He even takes it personally when he thought Ura was EvilAllAlong ([[FakeDefector he wasn't]]).]]
* BloodKnight: Has elements of it at the start, before [[CharacterDevelopment developing]] into a BoisterousBruiser; at first all he wants is to fight, no matter who he's fighting or if they deserved it.
* ButtMonkey: Ryotaro's luck seems to have rubbed off on him, as he's usually the butt of jokes and the biggest source of the series' physical comedy. This is exemplified in the fourth movie; where he's ''literally'' shot in the ass with an arrow.
* BrainBleach: His reaction to learning that [[spoiler:Deneb used Urataros' bath water in the broth that Deneb was serving to the crew.]] Can't really blame Momo. Still, it was just a joke by Naomi.
* CallingYourAttacks: "Hissatsu! My finishing attack...Part (number/____Version)!"
* CatchPhrase:
** "Ore, sanjou!" [[labelnote:English]]''"I, have arrived!"''[[/labelnote]]
** "From start to finish, I'm always at a climax!" [[labelnote:Japanese]]''"Ore wa, saisho kara saigo made, Climax daze!"''[[/labelnote]]
** "Let's go, go, go!!" [[labelnote:Japanese]]''"Ikuze, ikuze, ikuze!!"''[[/labelnote]]
* CharacterTics: Tends to do bombastic poses, most famously the "Ore, sanjou!" pose which consist of pointing at himself on the ''Ore'', then standing with his arms spread at ''sanjou!''. Also, keeping his blade on his shoulder when he's Den-O.
* CoolSword: [=DenGasher=] Sword Mode.
* CriticalResearchFailure: In-universe, PlayedForLaughs.
-->'''Momo''': It's Mt. Fuji!
-->'''Hana''': What are you saying? That's not Mt. Fuji, that's a '''pyramid'''!
* {{Deuteragonist}}: Being the first Imagin and being the exact opposite of the protagonist, he gets the most focus.
* FishOutOfTemporalWater: Twice in the ''Cho Den-O'' series:
** In ''Onigashima Battleship'', while the other Taros were also stranded (in the 30's-40's), they manage to stay together, but Momo, all alone, gets stuck in the distant past, in the very period where the Oni were waging their war against the humans.
** In ''Episode Red'', he gets thrown overboard when the [=DenLiner=] was out of control, getting stranded four months before the events of the movie. He gets taken in and nursed back to health by kindly homeless people.
* FourIsDeath: [[LampshadeHanging Lampshades]] it when Ryotaro points out that he skipped over number 4 in his [[CallingYourAttacks attack-calling]]; Momo claims that he did it because it's cool to skip four, then proceeds to count to ten, jumping from three to five.
* FinishingMove:
** ''Extreme Slash''
** ''[=DenRider=] Kick'': A HurricaneKick. First used in the fourth movie.
* HotBlooded: He's basically a StockShonenHero in the form of an oni.
* IdiotHair: The strand of red hair when possessing Ryotaro literally stands out.
* IdiotHero: [[LampshadeHanging Lampshaded]] through a GilliganCut by ''Series/KamenRiderDecade''.
* IKnowYoureInThereSomewhereFight: in ''Final Countdown'', to Ryotaro/Yu-ki Skull Form, as he's been possessed by the powerful Ghost Imagin and can't control what he's doing.
* IncomingHam: Whenever he proclaims that he's arrived, which he does in the most dramatic way possible.
* InTheNameOfTheMoon: Either of Momo's catchphrases suffices.
* InTheStyleOf: The original Double-Action ([[FanNickname nicknamed]] Sword Form to avoid confusion) = Eurobeat. Climax Jump Sword Form = Hard Rock.
* JackOfAllStats: When in Sword Form possessing Ryotaro.
* JerkWithAHeartOfGold: He's rough around the edges towards Ryotaro at first and continues to bicker among the other Taros, but he still cares a lot about all of them. Even in the second two-parter he shows his good side after apologizing to Ryotaro for taking other people's money while in his body.
* TheLancer: Ryotaro's personality foil, his most frequent partner in battle, and closest to him among the Taros.
* LargeHam: Enjoys doing bombastic poses and being flashy in battle.
* LiteralAsskicking: He's fond of doing this to his opponents, whether it involves his actual feet or even his sword.
* TheNicknamer: Even moreso than the rest of the cast. He calls Urataros "Kame" (Turtle), Kintaros "Kuma" (Bear), Ryutaros "Kozo" (Brat) or "Hanatare Kozo" (Snot-Nosed Brat), Hana "Hanakuso Onna" (Nosy Woman), Sieg "Chicken Wings", Deneb "Odebu" (Tubby) and Teddy "Tendon". He also has a habit of tacking "Yaro" (a rude version of "you", usually rendered as "Jerk" or "Bastard") onto the end of most of his nicknames; in fact, he only refers to enemy Imagin by their species and with "Yaro" tacked on the end, as in "Mogura Yaro" (Mole Jerk)
* RedEyesTakeWarning: People possessed by Imagin have their eyes change color to match; Momo, obviously, makes them go red.
* RedOniBlueOni: The red to Urataros' blue.
* RuleOfCool: What Momo usually tries to go by. His poses and catchphrases aren't exactly necessary in battle, but he insists on them.
* RunningGag: Being mistaken for an Oni. It doesn't help that he was designed that way.
* ScarfOfAsskicking: People possessed by Momo, especially in his ''Decade'' appearances, gain one in addition to red eyes and a spiky hair with a single red streak.
* SmallNameBigEgo: Played for laughs in the ''Imagin Anime'' spin-offs, going so far as to try to make himself Toei's mascot, then throwing a fit when he spots the ''Anime/HeartcatchPrettyCure'' poster nearby.
* SpotlightStealingSquad: After the Yellow movie, Ryotaro wasn't seen in KR [[spoiler: until his glorious return in Zi-O]]. For every future appearance of Den-O, Momotaros took the lead as the main man and voice of Sword Form.
* SuperDrowningSkills: He can't swim.
* TrademarkFavoriteFood: Pudding. He even starts up a pudding shop in ''Imagin Anime''.
* TranslationConvention: Momo's catchphrase "Ore, sanjou!" is a rough way of saying "I have arrived!" (fitting for the Train-themed rider), "Here I am!", or "Here I come!", but most fans just leave it in Japanese because there's no translation that sounds quite right.
* HeroesPreferSwords: Being the first Imagin to bond with Ryotaro and the one used most often, he's the "sword form" for Den O and fittingly has a sword of his own.
* WeWantOurJerkBack: The whole "Gold Gentleman Coffee" incident; Ura was so weirded out that he prefers the old Momo over the gentlemanly one.
* WhyDidItHaveToBeSnakes: Is afraid of dogs.
* WolverinePublicity: Momotaros has the most screentime out of any of the Imagin, which becomes especially noticeable in the movies--in fact, Momotaros occasionally gets more screentime than ''Ryotaro'', becoming Den O Sword Form without him. He is of course the most merchandisable character in the series.

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!!Urataros[=/=]Kamen Rider Den-O Rod Form
!!!Voiced by Creator/KojiYusa; suit actor Eitoku
[[quoteright:203:https://static.tvtropes.org/pmwiki/pub/images/den_o_urataros.jpg]]
[[caption-width-right:203:"Mind if I reel you in?"]]

The second Imagin to possess Ryotaro, his appearance and abilities (both as himself and Den-O Rod Form) come from Ryotaro's mental image of the myth of Urashima Taro who rescues a magic turtle who later takes him to the court of Ryujin, the dragon god of the sea. In stark contrast to the fight-happy Momotaros, Urataros is laid-back, non-confrontational, and clever. A ConsummateLiar, Ura can talk anyone into just about anything; since he's an enthusiastic skirt-chaser, he can often be found using his talent to charm the socks off of any cute girls he meets while possessing Ryotaro. He was aware that Ryotaro was a Singularity Point, and willingly possessed him in the hopes of extending his lifespan and meeting women. Because of his non-confrontational nature, Rod Form is the least used of Den-O's forms, but Ura's skills come in handy when they need to gather information about a rogue Imagin - that is, provided Hana can keep his mind on the task at hand...

----
* AnimalMotifs: [[TurtlePower Turtle]]. He even thinks it's personal when another turtle-based Imagin appears to steal his limelight.
* ArmedLegs: Climax Form's Kick Mode.
* BladeOnAStick: [=DenGasher=] Rod Mode. [[EpicFlail It also doubles as a fishing rod.]]
* BusmansVocabulary: He constantly speaks in fishing metaphors.
* CatchPhrase: "Mind if I reel you in?" [[labelnote:Japanese]]''"Boku ni Tsuraretemiru?"''[[/labelnote]]
* CharacterTics: Holds his left hand near his face, as if he's holding something.
* ChivalrousPervert: He lies constantly, especially to women, but he also refuses to hurt women in battle and seems to view his lying behavior as helping to give them a better time more than anything.
* ConsummateLiar: In addition to his own skills, he claims his goal is to teach Ryotaro to be a better liar.
* DoubleWeapon: [=UrataRod=].
* FakeDefector: Pulls this off in [[spoiler:the final story arc]]. He pulls it off really well, too, thanks to his [[ConsummateLiar nature]].
* FinishingMove: ''Solid Attack'', followed by ''[=DenRider=] Kick''.
* GuileHero: A liar and a trickster, but still has a good heart.
* InTheStyleOf: Double-Action Rod Form and Climax Jump Rod Form = Ska.
* TheNicknamer: Calls Momotaros "[[SempaiKohai Sempai]]" (because Momo insisted) and refers to most people affectionately ("Kin-chan", "Naomi-chan") unless they've earned his respect ("Hana-san", "Airi-san"). He calls Yuto "Boku-chan" (a very childish way of saying "me") as a reference to the young man's selfish nature.
* RedOniBlueOni: The blue to Momotaros' red.
* SexyManInstantHarem: He was able to woo all of the nurses while in the hospital, and him walking into the carnival gets all the girls to squeal and rush toward him.
* TheSmartGuy: He is non-confrontational, does not want to fight more than necessary, can talk his way out of any tricky situation and is the go-to guy for gathering information.
* SpitTake: Gave a particularly infamous one when Ryotaro decided to have another Imagin join the team. It's particularly of note because his character suit doesn't have an articulate jaw.
* StoicSpectacles: People possessed by him gain these in addition to the blue eyes and streak in their hair.
* StoneWall: His fighting style is the most defensive out of all the Taros.
* SuperNotDrowningSkills: As opposed to Momotaros. Justified that he's based on a turtle, who are good swimmers.
-----
!!Kintaros[=/=]Kamen Rider Den-O Ax Form
!!!Voiced by Creator/MasakiTerasoma; suit actor Jiro Okamoto
[[quoteright:324:https://static.tvtropes.org/pmwiki/pub/images/den_o_kintaros2.jpg]]
[[caption-width-right:324:"My strength has made you cry!"]]

The third Imagin to possess Ryotaro, inspired by the legend of Kintaro who would sumo wrestle bears, which also extends to Den-O Ax Form. Initially contracted to a sickly martial artist named Masaru Honjou, whose wish to achieve the "ultimate karate". Much to Ryotaro and Hana's surprise, the Imagin actually stuck to the contract, training Honjou's body while in control and showing no interest in disrupting time. Ryotaro recognizes his nobility after he's mortally wounded protecting Honjou from the Rhino Imagin and offers a contract in order to save his life. The strong, silent Kintaros usually [[HeavySleeper sleeps the day away]] until someone [[BerserkButton presses his button]] by saying the word "Nakeru" (Japanese for "cry")...or anything even remotely ''sounding'' like "Nakeru", which causes him to possess Ryotaro instantly, unceremoniously booting out anyone already possessing him. Out of all the Taros, Kin is the nicest and friendliest, showing an uncharacteristic amount of real emotion for an Imagin.

----
* AnimalMotifs: Bear.
* TheBigGuy: He's considered to be physically the strongest in the group, as he's constantly breaking things by accident, and specializes in being a heavy-hitter.
* BenevolentGenie: Unlike near every other Imagin in the series, Kintaros not only upheld the spirit of Honjou's wish, as opposed to the letter, he only completed the contract early in order to go back in time and protect him from the Rhino Imagin.
* BerserkButton: DON'T EVER make a girl cry.
* BoisterousBruiser: Not violent like Momo, but still loves a good fight.
%%* BruiserWithASoftCenter
* CallingYourAttacks: In an odd variation, he only says the name of his FinishingMove ''after'' performing it, which Ryotaro [[LampshadeHanging specifically notes]] the first time he does it.
* CatchPhrase: "My strength has made you cry. Wipe your tears with this!" [[labelnote:Japanese]]''"Ore no tsuyosa ni omae ga naita! Namida wa kore de fuitoke!"''[[/labelnote]] Sometimes shortened to just "My strength has made you cry!" or just "You cried!" [[labelnote:Japanese]]''"Nakerude!"''[[/labelnote]]
* CharacterTics: Pops his neck by pushing a hand (or sometimes a finger) against his chin. The BadassArmFold is his default pose.
* CherryBlossoms: Parodied, as occasionally the transformation into Ax Form will be accompanied by fluttering...''tissues''. "Wipe your tears", indeed.
* TheDitz: You have to wonder about the sort of person who mistakes Sumo for Karate and doesn't realize what he's done until ''children'' explain it to him.
* DoesNotKnowHisOwnStrength: He isn't built for normal human behavior. Coupled with Ryotaro's already bad luck, and accidental collateral damage is common.
* EveryoneHasStandards: In his introductory episode, Kintaros is willing to fight anyone who stands in his way, but he will not cause collateral damage or [[WouldntHitAGirl hurt women]]. Plus, he was willing to catch criminals for the police in the following episode.
* FinishingMove: ''Dynamic Chop''.
* GentleGiant: The Taros with the most bulk, and the biggest heart.
* HammerSpace: He can pull tissues out of thin air, apparently.
* HeavySleeper: And narcoleptic to boot; since he's a bear, this presumably represents hibernation. The only way to wake him up is by activating his BerserkButton.
* HonorBeforeReason: Demonstrated in his ADayInTheLimelight two-parter where he puts aside fighting the MonsterOfTheWeek in order to prove to a young girl that she's wrong in thinking her father hates her, and he's willing to be kicked off the [=DenLiner=] in order to prove it. [[spoiler:Thankfully, he's right about the father, and the changes Kintaros caused mean the Imagin never became a threat, so the Owner let him stay.]]
* ImplausibleDeniability: When the Owner once said that Kintaros' snoring is a problem, Kintaros wakes up just to deny it.
* InTheStyleOf: Double-Action Ax Form and Climax Jump Ax Form = Enka.
* KansaiRegionalAccent: He speaks in the Kansai dialect, given that his actor Creator/MasakiTerasoma grew up in Osaka.
* TheKlutz: Seen moreso when he's possessing Honjo and Ryotaro than in his natural form.
* ManlyTears: His catchphrase is "You'll cry!", and he tends to shed said tears whenever Ryotaro (or anyone else, for that matter) displays any kind of notable strength or determination.
* MightyGlacier: He relies on his toughness instead of speed in battle.
* TheNicknamer: Calls Momotaros "Momonoji" (Peach), sometimes mispronouncing it as "Momonga" (Flying Squirrel) or "Momohiki" (Long Underwear); calls Urataros "Kamenoji" (Turtle). Note that the -oji suffix actually refers to them as "sir" in the sense of an old man in the same way that Urataros refers to Momotaros as "-sempai".
* NobleDemon: The only one of the Taros to not start off as a VillainProtagonist.
* NoodleIncident: Destroying the [=DenLiner=]'s bathtub, causing Urataros to be swept away. It actually happened in-series (mentioned in passing as a background discussion), but we never see the details on-screen.
* ToBeAMaster: His desire to be the strongest warrior presumably comes from his original contractor Honjo.
* WeaponOfChoice: The Den-Gasher's [[AnAxeToGrind Axe Mode]].
%%* WrestlerInAllOfUs
-----
!!Ryutaros[=/=]Kamen Rider Den-O Gun Form
!!!Voiced by Creator/KenichiSuzumura; suit actor Toshihiro Ogura
[[quoteright:301:https://static.tvtropes.org/pmwiki/pub/images/den_o_ryuutaros2.jpg]]
[[caption-width-right:301:"Mind if I defeat you? I can't hear your answer!"]]

The fourth Imagin to possess Ryotaro and the last member of the "Taros", making up the core team; unlike the others, there is no mythical "Ryutaro" on which he was based, and is instead formed from Ryotaro's mental image of dragons. Appearing last, he was actually the second to possess Ryotaro, as revealed in flashbacks to Urataros' debut episode, and subsequently buried himself deep in Ryotaro's psyche, only being revealed during a hypnosis session instigated by Miura. At first he wants to kill Ryotaro, having been given an unrevokable Liner Pass and told that he can take over the [=DenLiner=] if he destroys Den-O. However, he falls in love with Airi and abandons his mission when the others point out that killing her brother would upset her. Childish and willful, Ryuta is the strongest of the Taros, and usually can't be "booted" from Ryotaro's body unless Momo, Ura, and Kin work together. His brash attitude causes a lot of problems normally and in battle as Gun Form, causing lots of collateral damage. He loves animals and dancing, and has the power to [[CrowdSong make people dance with him]] by snapping his fingers. His crush on Airi and bad advice from Kintaros caused him to develop a jealous hatred towards Yuto, which causes even more problems.

----
* AnimalMotifs: Dragon
* {{BFG}}: Ryuvolver.
* BreakTheCutie: In episodes 37-38, Ryutaros gets confronted by Kai who [[spoiler:tricked Ryutaros into almost destroying [=DenLiner=], and at the same time, made him give up on his crush on Airi after she realizes that a Ryutaros-possessed-Ryotaro isn't really her brother. Made all the worse because Ryutaros was trying to give Airi a picture he made of her and couldn't; the end of the episode has him smoothing it out as he cries away from the others. Poor guy.]]
* CatchPhrase: "Mind if I (something)?", most commonly "beat you" or "end it", followed by "Can't hear the answer!" [[labelnote:Japanese]]''"Kotae wa kiitenai!"''[[/labelnote]]
* CharacterTics: Spinning around during his CatchPhrase, followed by GivingSomeoneThePointerFinger.
* CheshireCatGrin: If he possessed Ryotaro and he holds a grin, RUN. If you don't, then there is a chance that he is going to chase you down with his dance posse and will not stop until he catches you!
* CrazyJealousGuy: He adores Airi and gets upset whenever Yuto is involved.
* CrowdSong: A rare [[JustifiedTrope justified]] version since he can force other people to dance with him, in the process making them his minions. Sometimes he uses dances to chase people down.
* CutenessProximity: He ''loves'' cute little animals, sometimes possessing Ryotaro just to pick up an animal and cuddle them.
* DanceBattler: When fighting, he moves around as if dancing.
* DestructiveSavior: He means well, but let's just say his aim is ''terrible''.
* DragonRider: When Ryuta drives the [=DenLiner=], he controls it from on top of the Ikazuchi (Car #7)'s dragon head, rather than the cockpit in Gouka (Car #1) as the other three Taros do.
* FinishingMove: ''Wild Shot''.
* FriendToAllLivingThings: He loves all types of animals, particularly kittens, puppies and birds.
* FunnyBackgroundEvent: He's pretty much a walking one. No matter how serious the scene happening in the foreground is, if Ryutaros is around, more often than not he's dancing around in the background or doing something childish like drawing pictures. [[CloudCuckoolander Naomi]] is known to join him on occasion.
* GangstaStyle: Likes to wield his gun sideways in Gun Form.
* GlassCannon: Was originally the LightningBruiser before Wing Form was given that role.
* TheGunslinger: Although if in dire situations, he can resort to PistolWhipping.
* {{Handguns}}: [=DenGasher=] Gun Mode.
* IconicItem: His BubbleGun. [[spoiler:Becomes a ChekhovsGun when it's one of the items that Kintaros gives to Ryotaro to complete their contract.]]
* IDontWantToDie: Nearing the finale, Ryutaros isn't anywhere to be seen, and Momotaros just says it's only him and Ryotaro now. A deleted scene reveals that this was because [[spoiler:Ryutaros was afraid to disappear, which he'd have to do if Ryotaro succeeded in stopping Kai, and he was cowering in the [=DenLiner=]. Naomi comforts him, and this is how he musters up the courage to help in the final battle.]]
* ImTakingHerHomeWithMe: Ryuta loves animals, and has a habit of bringing them back to the [=DenLiner=]. This is actually how the cast is introduced to Sieg.
* InTheStyleOf: Double-Action Gun Form and Climax Jump Gun Form = Hip-Hop. Climax Jump Hip-Hop Version. In addition, he also gets to rap in several songs like Climax Jump [=DenLiner=] Form.
%%* KidAppealCharacter
* LaserGuidedTykebomb: Kai told him to kill Ryotaro and gain control of the [=DenLiner=]. Ryutaros decided not to do so due to his love for Airi.
* LoveHurts: He did not take losing Airi to Yuuto well at all...
* LoveRedeems: Decides not to kill Ryotaro after realizing that his death would make Airi cry.
* MacrossMissileMassacre: Climax Form's Boistous Shot.
* MurderTheHypotenuse: His response to learning that Airi loves Sakurai is to go after Yuto and try to kill him. It doesn't help that ''Kintaros'' advised him how to win Airi's heart, by saying that a woman is attracted to a man's strength.
* NiceHat: Whenever he's possessing someone to go along with the wavy bangs and purple streak in the hair.
* TheNicknamer: Calls Urataros "Kame-chan" and Kintaros "Kuma-chan". Since Momotaros isn't based on an animal, Ryuta just calls him "Momotaros" without {{Honorifics}}, which annoys Momo.
* PetTheDog:
** He confronted the Dance Posse and asked them if they were the reason that the animals being fed in the park got frightened.
** He realizes that the Owl Imagin's rampage in the past will cause the puppy cared for by its contractor to die, and resolves to fight the Imagin full-force.
* PsychopathicManchild: Whenever he possesses Ryotaro, he somehow holds some kind of glee in chasing people down for no apparent reason. And for a while, he thought the best way to win Airi's heart was to get rid of Yuto and this was shown most prominently in a picture he drew (which depicts Den-O Gun Form blowing a giant bloody hole through Zeronos' chest). The biggest offender would be in Climax Deka, where he starts whipping out the handcuffs to any person who just ''looks'' like he'd be part in an Evil Organization.
* PurpleIsPowerful: Initially treated as the strongest of the four core Imagin, to the point that the other three had to work together to push him out of Ryotaro's body.
* ShouldersOfDoom: Gun Form.
* SummonBackupDancers: Being in a deserted location is no obstacle to his CrowdSong abilities.
* VagueAge: It's impossible to tell what age any of the Taros are, since they get their physical forms from Ryotaro's imagination, but Ryutaros in particular appears to be a child, and is regarded as one by the other Taros. How mature he actually is varies--a lot of his behavior and mannerisms point to him being a young child, but he also identifies with other teenagers (like his dance posse.)
-----
!!Sieg[=/=]Kamen Rider Den-O Wing Form
!!!Voiced by Creator/ShinichiroMiki; suit actor Naoki Nagase
[[quoteright:177:https://static.tvtropes.org/pmwiki/pub/images/sieg_1.png]]
[[caption-width-right:177:"Advent, to the top..."]]

An arrogant swan Imagin, inspired by the story of ''Theatre/SwanLake'' and it's male protagonist, Prince Siegfried, specifically. He possessed a rich heiress, but because she was pregnant at the time, he possessed her unborn son immediately after. Sieg first came into being following the child's birth, referring to mother and child as his family. He was brought to the [=DenLiner=] crew's attention when Ryutaros brought him onto the train. His arrogant demeanor rubbed everyone the wrong way until Hana punched some sense into him, at which point he began calling her "Princess" and started gradually referring to the others as family rather than servants. He allows Den-O to assume the exceptionally powerful Wing Form, but because his contract was formed with a child, whose memory isn't as strong as an adult's, he begins "fading". Ryotaro discovers a loophole in that Sieg had previously completed a contract with the heiress (who wished for her baby to be born safely, which he was,) allowing him to travel to her past and exist peacefully; despite this development, he shows up in critical moments such as the series finale and the movies.

----
%%* EleventhHourRanger
%%* AgentPeacock
* AloofAlly: Inverted; he's actually ''willing'' to lend a hand to the [=DenLiner=] crew whenever and however he can, but most of the time the Taros (especially Momo) don't want anything to do with him.
* AnimalMotifs: [[SwansASwimming Swan]].
%%* ArrogantKungFuGuy
* AnAxeToGrind: [=DenGasher=] Handaxe Mode (made from the Axe and Gun parts).
* ButtMonkey: Perhaps as a result of audience reaction towards him. In later appearances, Sieg is treated with comedic levels of contempt by the other Taros, probably due to his acerbic personality.
* CampStraight: Obsessed with "beauty" but has feelings for Hana.
* CatchPhrase: "Advent! To the top!" [[labelnote: Japanese]]''"Korin! Man wo Jishite!"''[[/labelnote]]
* CulturedBadass: He's based on a prince, and his form is the most powerful of Den-O's basic forms.
* DemonicPossession: Though hardly unique to him, as an Imagin, Sieg's possessions are exceptionally powerful. Whether it's from his being "born" in the present or by sheer force of will, Sieg is near ''impossible'' to remove from Ryotaro once he has possessed him. Even when the other Taros are unable to possess Ryotaro due to amnesia, Sieg was able to do it just fine.
* DeusExitMachina: Wing Form is Den-O's most powerful basic form, and writers have made sure that his use was a rarity. The situation is inverted in ''Ore, Tanjou!'' where Sieg is the only Imagin available for a good portion of the movie [[spoiler:(Ura and Kin were held captive, Ryuta was temporarily convinced by Gaoh to his side, and Momo couldn't synchronize with Ryotaro because the latter has amnesia)]]. Played straight again later, where Sieg is the only Den-O that isn't present in the movie's climax, although no explanation was given for that [[spoiler: since Yuuto could have just kidnapped a Sieg-possessed Ryotaro for the battle]] except perhaps being injured after getting hit by Gaoh's Tyrant Clash as Den-O.
* DualWielding: Uses a weapon each composed of two pieces of the [=DenGasher=].
* FinishingMove: ''Royal Smash''.
* TheFriendNobodyLikes: Most of the time, everyone sans Ryutaros seems reluctant whenever he appears.
* IncredibleShrinkingMan: Has the power to make people shrink to action figure-size by saying "Bow your head!"[[labelnote: Japanese]]''"Zu ga Takai!"'', lit. "Your head is high!"[[/labelnote]] The Imagin Anime gives him "Super Bow Your Head", which shrinks ''the whole world''.
* InTheStyleOf: Double-Action Wing Form = Arabic Pop
* ItsAllAboutMe: "The world revolves for my sake."[[labelnote:Japanese]]''"Sekai ga watashi no tame mawaru."''[[/labelnote]]
* JerkWithAHeartOfGold: Despite his superiority complex and belief [[ItsAllAboutMe the world revolves just for him]], he's actually a really good person at heart. The problem is just that the other Imagin don't want anything to do with him.
* LightningBruiser: Wing Form moves significantly faster than most of the other forms, and is also Den-O's most powerful basic form.
* LoveAtFirstPunch: Towards Hana.
* {{Nerf}}: An in-universe one, his power and memory is weakened considerably due to his contract holder being a child. Taking into account how strong he still is, he would be unbelievably powerful if properly contracted to an adult.
* OddNameOut: Unlike the other four [=DenLiner=] Imagin, not only does his name doesnít end with "Taros", but it also doesnít reference a Taro of Japanese folklore.
* PerpetualMolt: Feathers appear whenever he makes an entrance.
* PowerGivesYouWings: Especially in Super Climax Form.
* PrecisionGuidedBoomerang: [=DenGasher=] Boomerang Mode (made from the Sword and Rod parts).
* PutOnABus: In series, this is justified due to how weak the imagination of the person he is contracted to is - however, he does return for the finale. In-franchise, his last appearance was in Episode Blue of the Chou Den-O trilogy. He hasn't been seen since - not even in ''Let's Go Kamen Riders'', which brings back all but a handful of the other riders (including all the ones from ''Den-O'').
* SpellMyNameWithAnS: Some databooks list his name as '''Z'''ieg.
* StealthHiBye: In ''Final Countdown'', he disappears during the Imagins' attempt to protect the Japanese village from Shiro's mercenaries, but later reappears for the climax much to everyone's surprise.
* TheThingThatWouldNotLeave: For the [[Series/KamenRiderDecade Hikari Studio]]. Only [[CloudCuckooLander Eijiro]] wants him around, and it's for taking pictures anyway.
* TrueCompanions: Constantly refers to the other Imagin as "family", much to Momo's chagrin.

[[/folder]]

[[folder:Civilians]]

!!Airi Nogami (portrayed by Wakana Matsumoto)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/airinogami.png]]

Ryotaro's older sister and the owner of the Milk Dipper library cafe. She was forced to help raise Ryotaro after the death of their parents and thus often seems wise beyond her years. She's also very close to Ryotaro, worrying about his well-being and trying to help out with health drinks and herbal concoctions. The beautiful Airi enjoys good business mostly thanks to the [[UnwantedHarem horde of lovestruck men]] who pack the shop from opening to closing. For her part, Airi remains [[ObliviousToLove completely oblivious]], her only passions seeming to be stargazing and brewing the perfect cup of coffee. One year prior to the series' start, Airi's fiance Yuto Sakurai vanished a month before the wedding; initially Ryotaro thought she hid her pain behind a smile, but to his great concern she seems to have completely forgotten about Sakurai, seemingly not even remembering why she has his beloved telescope in the shop (but still gazing at it fondly) and not realizing that the pocketwatch he gave her rests beneath it.

----
* BewareTheNiceOnes: In one episode, Ryotaro offends Airi by calling in a hazmat team to dispose of one of her "healthy" concoctions; her response is to throw things at him, culminating in his own '''bicycle'''.
%%* CoolBigSis: More like Sweet Big Sis, actually.
* CordonBleughChef: Her energy drinks and herbal cures are...well, read the "BewareTheNiceOnes" entry above. However, her coffee is exceptional, which makes her something of a counterpart to Naomi.
* DistressedDamsel: ''Episode Red'' invokes this, since this is the condition of the contract between the Piggies Imagin and the [[VictimOfTheWeek Victim of the Movie]]: to put Airi in a dangerous situation so that he would be the one to rescue her, also invoking RescueRomance.
* TheDitz: She sometimes projects this. In the episode where Ryotaro is being held hostage, she doesn't even seem to notice. When Ozaki and Miura press the issue, she decides to do something...prepare special hostage snacks for him. Cue the entire male clientele of the Milk Dipper [[FaceFault Face Faulting]].
* DudeMagnet: Her customers are mostly male, and quite a number of named characters are attracted to her.
* InTheStyleOf: Double-Action Coffee Form, along with Naomi = Light Pop. [[https://www.youtube.com/watch?v=DHtLUnjCFfU No, seriously]].
* LaserGuidedAmnesia: Inflicted [[spoiler:willingly in order to protect the identity and location of the Junction Point.]]
* ObliviousToLove: She seems to be utterly unaware of how much attention she gets from her (all male) clientele, including from the dogged Ozaki and Miura.
%%* ThePollyanna
* RedHerring: As [[spoiler:the identity of the Junction Point. It's not her, it's the child she will eventually bear]].
* StarCrossedLovers: She's separated from her fiancé Sakurai, and seemingly loses her memories of him, for complicated reasons. This is referred to in Zeronos' motifs.
* UnwantedHarem: Not unwanted so much as [[ObliviousToLove completely unnoticed]].
* YamatoNadeshiko: Pretty, caring, an excellent cook, and '''completely''' unflappable. Upon being told that Ryotaro was being held hostage by an armed robber, her immediate reaction was to go back to preparing coffee. The wisdom part is thus: [[spoiler:she's been in on her fiancée's {{plan}} from the beginning, and allowed her own memories to be altered in order to protect the Junction Point, their future daughter Hana. And she's known from the start that "Ryo-chan" was Den-O, and that his friend Yuuto is the time-displaced teenage version of her fiancée.]]
-----
!!Seigi Ozaki (portrayed by Akira Nagata)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/seigiozaki.png]]
One of the Milk Dipper regulars, Ozaki is a journalist for a Kasutori Magazine who's always on the lookout for a new scoop. He's also a major flirt, chasing women since a crush on his first-grade teacher and using his job to try and pick up chicks. However, he's most devoted to chasing Airi, trying to impress her with his connections while sparring with Miura. He's friendly towards Ryotaro, styling himself as the younger boy's future brother-in-law and sometimes sharing stories that, unbeknownst to him, reveal information about Imagin attacks.

----
%%* HandsomeLech
* RegularCaller: If Momo's the go-to guy for Imagin attacks, Seigi is the one the gang turns to for information on the VictimOfTheWeek.
%%* ThoseTwoGuys: With Miura.
-----
!!Issē Miura (portrayed by Ryo Ueno)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/issemiura.png]]
A self-proclaimed "super counselor" and Milk Dipper regular who feuds with Ozaki for Airi's affection, but is more introverted. Ozaki often tries to undermine Miura by making his interest in the occult look like superstitious nonsense, while Miura counters by pointing out Ozaki's wandering eye. He's also nice towards Ryotaro, and shows a good deal of concern for his well-being. After witnessing a battle between Momo and Ura for control of Ryotaro's body, Miura becomes convinced that Ryotaro is possessed and tries to help exorcise him, only to accidentally reveal the existence of Ryutaros.

----
* IgnoredExpert: In regards to the Imagin, at least until Airi and Ozaki meet them in ''Climax Deka''.
%%* ThoseTwoGuys: With Ozaki.

[[/folder]]

[[folder:[=ZeroLiner=] Crew]]

!!Yuto Sakurai[=/=]Kamen Rider Zeronos

Because of the time-traveling nature of ''Series/KamenRiderDenO'', two versions of Yuto Sakurai exist as independent and distinct characters. Here, as in most media, they will be distinguished by their names, "Yuto" referring to the younger version and "Sakurai" to the older.

!!! Yuto (portrayed by Yuichi Nakamura)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/yutosakurai.png]]
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kr_zeronos.png]]
-->"Let me say this to start: I am fairly strong!"

The teenaged version of Yuto Sakurai, as well as the warrior Kamen Rider Zeronos and the partner of the Imagin Deneb. Yuto initially appears after Ryotaro gets too close to Sakurai, warning the soft-hearted young man not to interfere, believing that protecting the timestream is different from protecting individuals, unlike Ryotaro. The brash, hot-tempered Yuto stands greatly at odds with Ryotaro's memories of a gentle, kindly, brotherly Yuto Sakurai, but according to the Owner, the two are indeed one and the same. He also acts childish at times, preferring his coffee overloaded with sugar, despising ''shiitake'', and enacting comedic violence upon Deneb whenever the Imagin annoys him. Contact with Ryotaro and the [=DenLiner=] crew tempers Yuto's harsh personality as well as maturing him. The exact nature of his Zeronos powers are explained in tragic detail later in the story.

----
* AngerBornOfWorry: In the finale, [[spoiler:upon seeing Deneb alive again, Yuuto was about to seemingly attack him again, only to fall into tears in Deneb's arms.]]
* BadassNormal: He's not a Singularity Point like Ryotaro, but is able to fight as himself using Altair Form long before Ryotaro manages to do the same thing with Liner Form.
* BokeAndTsukkomiRoutine: Tsukkomi to Deneb's Boke.
* BroughtToYouByTheLetterS: (A)ltair and (V)ega, which is visible on both their corresponding Zeronos cards, the [=ZeroLiner's=] cars, and their {{Finishing Move}}s.
* CatchPhrase: "Let me say this to start: I'm pr-e-tty strong!" [[labelnote:Japanese]]''"Saisho ni itte oku! Ore wa ka~na~ri tsuyoi!"''[[/labelnote]]. On a couple of occasions, Yuto replaces the second part with "I'm pretty ticked off!"
* CatchphraseSpoutingDuo: Oftentimes, with Deneb.
* CharacterTics: GivingSomeoneThePointerFinger ("Let me say this to start! I'm pr-e-tty...") followed by the BicepPolishingGesture ("...Strong!").
* DeadlyUpgrade: [[spoiler:The Zero Form cards.]]
* DefrostingIceQueen: A male example. Yuuto started the series as a cold jerk and was occasionally quite rude to Ryoutarou. He gradually warmed up to him, and by the end of the series, they had become true friends.
* DeusExitMachina: Hospitalized, and therefore absent, for a good portion of ''Final Countdown'' after TakingTheBullet for Kohana, but reappears just in time for the climax. In ''Onigashima Battleship'', the alteration of the timeline causes him to be erased from reality, again.
* DidNotGetTheGirl: At least not yet anyway. Much of the Episode Red movie dealt with the fact that Airi can't love the current Yuto the same way she did Sakurai (although the existence of Hana in a younger form implies that the two will eventually get together; presumably once Yuto matures into someone more like Sakurai).
* DoesNotLikeSpam: Shiitake Mushrooms.
* FinishingMove:
** [=ZeroGasher=]: While Zeronos is in Altair Form, both of this weapon's mode's finishers take on the form of a green A.
*** Bowgun Mode: ''Grand Strike''
*** Sabre Mode: ''Splendid End''
** Denebick Buster: ''Buster Nova''
* FuelMeterOfPower: He has a very limited suppy of henshin cards and has to make his transformations count.
* HeroicWillpower: While Ryotaro can't manifest any decent Den-O forms by himself (until Liner Form), Yuto's stronger will allows him to assume Zeronos Altair Form without the aid of an Imagin.
* HiddenHeartOfGold: [[spoiler:Comes with the revelation about the Zeronos Cards, explaining that Yuto acts rude to keep people distant.]]
* HoldingBackThePhlebotinum: With good reason.
** And, apparently, Sakurai himself has a good reason for giving power with such a drawback in the first place. [[spoiler:Erasing [[HeroicSacrifice his (Sakurai's) own existence]] allows Yuto to [[ScrewDestiny write his *own* history]] (in another timeline, anyway).]]
* InTheStyleOf: Action-Zero = Rock. 2010 Version = Soft Piano.
* JackOfAllStats: Altair Form, one of the forms Yuto can assume.
%%* JerkWithAHeartOfGold
* LightningBruiser: Zero Form, one of the forms Yuto can assume.
* MaamShock: Delivers one to Mach during the events of ''Super Hero Taisen GP''.
--> "Don't call me Old Man!"
%%* MyHeroZero
* ImNotHereToMakeFriends: Non-reality show example; he says this outright when Deneb suggests he work with the [=DenLiner=] crew.
* PickyEater: He dislikes shitake mushrooms. [[spoiler:The fact that he's eating them at the finale, after believing that Deneb vanished after the BigBad's defeat shows just how much Deneb means to him.]]
* PowersViaPossession: Unlike Den-O, only one of Zeronos' forms requires Deneb to possess him to access it.
* SensitiveGuyAndManlyMan: Manly Man to Ryotaro's Sensitive Guy.
* SignificantReferenceDate: When Yuto first makes his debut in the series, he's holding a ticket for May 27th, 2007. Go on, guess the airdate of that episode.
* SweetTooth: Yuto really likes his coffee sweet, to the point where he puts '''way''' too much sugar in.
* SwissArmyWeapon: [=ZeroGasher=]. The Sabre Mode is a {{BFS}}, Bowgun Mode is TheStraightAndArrowPath, and Denebick Buster is a TalkingWeapon.
* WrestlerInAllOfUs: His way of dealing with Deneb's antics.

!!!Sakurai (portrayed by Tomonobu Okano)
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/past_man.jpg]]

Airi's fiance and Ryotaro's future brother-in-law, Sakurai was a gentle, kind-hearted man with a passion for astronomy he shared with Airi. The two were very much in love, and Sakurai treated Ryotaro like the little brother he never had; thus, Ryotaro's surprise when Sakurai disappeared just before the wedding is understandable, as is his confusion at the fact that nobody seems to remember his existence. Several times in the early part of the series, a cloaked man appears watching Den-O's battles in the past and checking a pocketwatch; by accident, Ryotaro bumps into the man and recognizes him as Sakurai. He attempts to track down the man, only to be warned off by Yuto.

----
* BadassLongcoat: Does not show his face, but he fights well.
* BigBrotherMentor: Ryotaro implies he was one, as one of his first conversations with Yuto is to explain the values that he taught him (namely, that even if he has awful luck and isn't very strong, it's not an excuse to do nothing.)
* BigDamnHeroes: When Den-O and Zeronos were having trouble with TheDragon, Sakurai himself steps up to help them in battle, assuming Altair Form.
* ChekhovsGunman: He shows up, face concealed, at the scene of Imagin battles long before Ryotaro encounters and puts a name to him. He's also hinted at via Ryotaro telling Airi that she "shouldn't forget" in an early episode regarding a woman who wanted to forget her former love.
* GuileHero: [[spoiler:Orchestrates a complex plan in order to protect his future daughter]].
* ThePlan: [[spoiler:Most of the show's plot is predicated on a plan by Sakurai and Airi to protect their daughter Hana from the Imagin.]]
* StarCrossedLovers: With Airi, as referenced by Zeronos' theme (see Yuto's theme).
* WhatTheHellHero: [[spoiler:Deneb tells off Sakurai for making Yuto use the Zeronos cards, even culminating in Deneb ''throwing Sakurai out of the [=ZeroLiner=]''.]]
-----
!!Deneb[=/=]Kamen Rider Zeronos ([[spoiler:and New Den-O]]) Vega Form (voiced by Creator/HochuOtsuka; suit actor Yoshifumi Oshikawa)
[[quoteright:222:https://static.tvtropes.org/pmwiki/pub/images/den_o_deneb2.jpg]]
-->"Let me say this to start..."

Yuto Sakurai's Imagin partner, inspired by the legend of Benkei and allowing Yuto to transform Zeronos into Vega Form. Deneb is kind-hearted but somewhat on the thick side, his polite friendliness contrasting greatly with Yuto's loud, rude attitude. He often tries to better Yuto, encouraging him to be nicer or to work alongside Ryotaro as an ally rather than viewing the [=DenLiner=] team as a hindrance. Occasionally Deneb will even possess Yuto and run around being friendly, doing good deeds, and passing out Deneb Candy in order to win friends for the young man, but this invariably results in a beating from Yuto once he regains control. Deneb's history with Yuto and with the Sakurai that Ryotaro is familiar with is revealed later in the series.

----
* ApologisesALot: One of the humblest Imagins in existence.
* ArmCannon: Type 1; his hands can fire bullets from the fingers.
* BadassCape: Vega Form.
* BattleButler: Acts as Yuto's loyal servant (running errands, cooking, cleaning the [=ZeroLiner=]) and partner in battle, complete with being humble and honest to a fault.
* BenevolentGenie: In stark contrast to the other Imagin, Deneb outright ''defected'' from the Imagin cause and joined Sakurai under his own free will. Even the Taros required a bit of persuasion before they joined Ryotaro's side. What wish he granted Sakurai was never revealed, although by ''Onigashima Battleship'' he was able to possess Kotaro, so we can assume it was completed at some point.
* BewareTheSillyOnes: Despite being Yuto's ditzy comedic foil and the nicest guy in the series, his few fights as Zeronos and New Den-O Vega Form show he's actually much better at fighting than Yuuto (who's not bad himself).
* {{BFS}}: [=ZeroGasher=] Sabre Mode.
* BladeOnAStick: New [=DenGasher=] Naginata Mode (New Den-O Vega Form, when he possesses Kotaro in ''Onigashima Battleship'').
* BokeAndTsukkomiRoutine: Boke to Yuto's Tsukkomi.
* CatchPhrase: Usually begins with Yuto's "Let me say this to start!" [[labelnote:Japanese]]''"Saisho ni itte oku!"''[[/labelnote]], only to mess it up with an honest fact that bewilders everyone around him; he uses "The face on my chest is just for show" [[labelnote:Japanese]]''"Mune no kao ga kazari da!"''[[/labelnote]] a couple of times. He also says "Take care of Yuto!"[[labelnote:Japanese]]''"Yuto o yoroshiku!"''[[/labelnote]] both in conjunction with the first phrase and on its own.
* CatchphraseSpoutingDuo: Sometimes gives the tail-ends of Yuto's phrases.
* ChunkyUpdraft: When transforming into Vega Form.
* DemonicPossession: Although as an Imagin he's capable of it, it's rather notable in that Deneb refrains from possessing others outside of Yuto, even when it's established he can. Even when possessing Kotaro, he promptly apologizes.
* EmpathicWeapon: Transforms into the Denebick Buster whenever Zeronos assumes Zero Form, and can still talk to Yuto.
* FingerFirearms: All of his fingers are like this.
* FinishingMove
** [=ZeroGasher=]: While Zeronos is in Vega Form, both of this weapon's mode's finishers take on the form of a yellow V.
*** Bowgun Mode: ''Grand Strike''
*** Sabre Mode: ''Splendid End''
** New [=DenGasher=] Naginata Mode: ''Brandish Dive''
* TheHeart: Has many attempts to appeal, sometimes fail hilariously.
* InTheStyleOf: Action-Zero = Rock. 2010 Version = Soft Piano.
* MaliciousMisnaming: Momotaros (and sometimes the other Imagins as well) likes to call him Odebu (a deformation on his name, which literally means "tubby").
* MightyGlacier: In Vega Form.
* MoreDakka: Zeronos Nova.
* NiceGuy: Deneb is unfailingly polite to everyone, even his enemies, and every time he's in master's body it's for the purpose of trying to make friends with everyone Sakurai pushes away. This stands out particularly in contrast with the more amoral and even malicious Imagin throughout the show.
* NiceJobBreakingItHero: Because he didn't tell Yuuto of his plans of going through a Haunted House event, Yuuto thought that Deneb was in danger when the latter was scared out of his wits; thus, Yuuto had to use up a Zeronos card even before finding out what really happened. [[WhatTheHellHero Yuuto didn't like Deneb's actions one bit.]]
* PowerMakesYourHairGrow: When possessing Yuto, present or past.
* ShipperOnDeck: Ships Yuto with Airi. This gets the limelight in Episode Red of ''Cho Den-O Trilogy''.
* ShouldersOfDoom: Vega Form.
%%* SixthRanger: With Yuto.
* SpotlightStealingSquad: In ''Onigashima Battleship''. [[LampshadeHanging Lampshaded]] in the ''Series/KamenRiderDecade'' net spinoff episode which advertised the movie.
* TrademarkFavoriteFood: Likes to put shiitake mushrooms in the food he makes.
* WeaponOfChoice: [=ZeroGasher=] Bowgun Mode uses arches.
* WhyDidItHaveToBe: He's very afraid of ghosts, as revealed in Episode 29.
* YouGottaHaveBlueHair: Whoever gets possessed by Deneb gets long strands of green hair.
* YouNeedToGetLaid: He once asked Urataros for dating advice to give to Yuto.
[[/folder]]

[[folder:The Imagin]]

!!Kai (portrayed by Hideo Ishiguro)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kai_05.png]]
-->"I have the face for it, don't I?"

The main villain of the show; although his existence isn't revealed until late in the series, he is alluded to as the unknown voice that sent Ryutaros to kill Ryotaro under the promise of making him conductor of the [=DenLiner=]. Kai is revealed to be able to talk to ''all'' the Imagins, and commands the vast majority of them that go back in time and wreak havoc. When he finally makes an appearance on the show, it heralds multiple reveals about the Imagins and their goals.

----
* BigBad: [[spoiler: Not revealed until in the middle of the series.]]
* CatchPhrase: "I have the face for it, don't I?" [[labelnote:Japanese]]Ore, sōiu kao shiteru daro?[[/labelnote]]
* CessationOfExistence: [[spoiler:When the Death Imagin is destroyed in the final battle, it takes his remaining memories with it. Despite being a Singularity Point, he'd destroyed so many of his past selves that he's completely erased from time due to this.]]
* DangerousForbiddenTechnique: Kai can use himself as a portal to send Imagin back in time, but by doing so he destroys his past selves. While he's a Singularity Point and thus this can't kill him, each use destroys some of his memories and erodes his sanity. By the time we meet him, he's gone pretty much completely insane and only gets worse as things progress. [[spoiler:Creating the Death Imagin an an army of Mole Imagin from all his remaining memories ultimately results in him ceasing to exist when Death is killed.]]
* FauxAffablyEvil: [[spoiler:His manner of speech and actions are normally relatively unvillainous, which serves to make him far more creepy as a result. Note, he keeps this even when letting loose an entire army of Imagin on the city and preparing to open a time rift to ''erase an entire area and everyone in it from time''. He's also extremely cruel to Ryutaros after the latter fails him.]]
* GigglingVillain: Frequently seen with a creepy grin on his face and indulging himself in maniacal laughter.
* InsaneEqualsViolent: Kai's constant destruction of his past selves and his memories along with them has left him insane, and he's most certainly a very dangerous and violent individual.
* TheManBehindTheMan: Is the driving force behind [[spoiler:the Imagin]] but doesn't appear in person until close to the end.
* MysteriousPast: Exactly where he came from, how he got his TimeMaster powers, and how he ended up working with the Imagin is never revealed. Justified, as given his heavily degraded mental state and how many of his own memories he's erased in the process, it's likely even Kai himself can't remember anymore.
%%* PsychicPowers
* PsychopathicManchild: He acts rather childish most of the time. Despite this, he's completely insane and willing to erase entire areas from time without any regard for life.
* SanitySlippage: Destroying his past selves sending Imagin back in time doesn't do his sanity any favors and even [[TheDragon his Dragon]] comments his sanity is getting worse and worse. It's implied he's been subjected to this trope long before we ever met him.
* TheDarkSideWillMakeYouForget: Quite literally: he's destroyed a large number of his own past selves, and a good chunk of his memories along with them by sending Imagin back in time. While it's implied he at least started with good intentions, by the time we meet him he's more or less gone completely insane due to this.
* TimeMaster: Unlike others, he's able to travel through time without a Time Train. [[spoiler: He's also able to tear open a hole in time and let loose an energy burst capable of erasing everything and everyone in the blast zone except himself from time.]]
* ThatMakesMeFeelAngry: Does this a lot, and usually follows it up with his CatchPhrase above, asking other characters if his face shows that emotion. [[SlasherSmile It usually doesn't.]]
* VillainousBreakdown: Gets progressively more insane and unstable as the series goes on. [[spoiler:But after discovering for that Sakurai ''isn't'' the Junction Point as he previously believed, he '''''snaps'''''. He tears apart the black calendar he'd been using to plan his attacks, gives all his remaining Imagin physical form, channels everything he's got left into the Death Imagin for an all-out attack on Tokyo. He then proceeds to try and completely erase the entire area from time despite his army still being present.]]
* WellIntentionedExtremist: He implies this in one of his earlier appearances, where he suggests to Ryotaro that killing someone in the past could be a good thing if it makes the future better. [[spoiler:Though this is a lead-up to killing Yuto and trying to trick Ryotaro into not interfering by showing him that it made for a better present.]] In the end, though, [[spoiler:he's doing all of this for the sake of the Imagins' existence, as they'll disappear entirely if the emerging Junction Point is not linked to the Imagin future.]]
* YouHaveFailedMe: [[spoiler:Pulls this on Ryutaros after the latter couldn't bring himself to kill Ryotaro.]] There's a good reason Ryutaros is so scared of him.
----
!! Imagin

The series' MonsterOfTheWeek creatures, Imagin are time-traveling spirits from a destroyed alternate future, with the goal of changing the past to bring their future back into existence. Initially they manifest as golden balls of light, but upon possessing a human victim (in a burst of energy and sand) they take a form from that person's imagination, drawing upon their mental image of various stories, legends, or folk tales. Once possessing a victim, Imagin offer them a "wish", twisting that person's desires to destructive ends. Once the wish is granted (by whatever loose definition the Imagin is using), a portal opens to the past via a particularly strong memory of victim's. From there the Imagin goes back in time and runs rampant in an attempt to alter the timeline. Upon defeat, particularly powerful Imagin will [[OneWingedAngel revive as giant monsters]] called "Gigandeaths". The Imagin initially seem independent of one another and unorganized, but as the series goes on it's revealed that there's more to their goals than meets the eye.

----
* AnimalMotifs: As part of their fables and fairy tales theme designs.
* AntiVillain: In a way. While willing to destroy and kill without mercy, and some being quite sadistic, their core motivation is sympathetic: their timeline was erased and they want to restore it, something that would require the destruction of the currrent one.
* BeCarefulWhatYouWishFor: Most Imagin operate like this; in an early episode, the Crow Imagin interprets its victim's wish to forget her ex-fiance by destroying anything playing "Spring" from the Four Seasons Concerto, since she still owned a pendant he gave her that played the song.
* CatchPhrase: "Say your wish. I will grant any wish." [[note]]''"Omae no nozomi o ie. Donna nozomi no kanaete yarou."''[[/note]]
* DealWithTheDevil: One the user is compelled to give, despite a monster suddenly appearing before them. You're hard pressed to find ''anyone'' who willingly made a deal with an Imagin.
* DemonicPossession: They are capable of possessing their hosts beyond the initial time they take to gain a physical form, but they usually don't indulge in it.
* DragonInChief: Both the Albinoleo and the Death Imagin.
** Rather than bring Kai back, they've had the Leo Imagin stand in to represent the Imagin any time the Franchise/KamenRider evil organizations are gathered, like in ''Let's Go Kamen Riders''.
* EliteMook: the New Molech Imagin, which always come up in large numbers.
* IfItSwimsItFlies: Some Hades Gigandeath have demonstrated this ability.
* JackassGenie: A few, particularly the Jellyfish Imagin, which twisted the victim's wish to find his late girlfriend's time capsule into meaning any old time capsule, and mercilessly beat the poor man when he didn't go along with it. The exceptions that prove the rule are Kintaros and Deneb. Kintaros fulfilled the spirit of his host's wish, and only cut the actual training short in order to protect his host in the past from the rhino Imagin. Deneb outright defected and became Sakurai's partner under his own volition.
* LegionOfDoom: Kai's army in the finale, consisting of almost every Imagin that Yuuto and Ryotaro ever fought.
* LiteralGenie: Several of them. For example the Mole Imagin, who heard his contract holder wish to "beat" some guys (in a singing competition) and proceeded to beat them up physically.
* MeaningfulName: "Imagin" is derived from the words "imagine", "djinn"(the arabic word for genie), "Â�今" ("ima", Japanese for "now"), and "Â�人" ("jin", Japanese for "person").
* OneWingedAngel: Gigandeaths, in three forms: [[BlowYouAway Heaven]], [[MakingASplash Hades]], and [[DishingOutDirt Hell]].
* RetGone: Their origin: their timeline was somehow erased and them along with it. As a result, they're trying to regain a concrete existence short term and in the long term intend to restore their destroyed timeline.
* WeaksauceWeakness: Should an Imagin take a Singularity point as their host, they'll have to negotiate a proper contract to be made, and be forced to either possess their host or be stuck as a ghost made of sand. As Ryotaro demonstrated, this can take a ''very'' long time to happen, although that could be more about how his partners were wilingly working with him than attempting to leave his service.

!!! Bat Imagin (voiced by Creator/KiyoyukiYanada)

The first Imagin Ryotaro faces, who is based off ''The Bat, the Birds, and the Beasts''. The Bat Imagin possesses a young bully named Tetsuo who has lost a keepsake jinglebell key holder; Tetsuo wishes to have his key holder back, and the Bat Imagin begins assaulting people with jinglebell key holders in hopes that one of them belongs to his contract holder.

----
* BatOutOfHell: A sinister-looking bat monster, whose first on-screen act is carrying a women up in the air to steal her locket and then just drop her down.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Knight from Series/KamenRiderRyuki
* OrphansPlotTrinket: He fulfills his contract by hunting down the key holder that Tetsuo's mother got for him before she passed away, which he'd accidentally dropped.
* StarterVillain: The first Imagin Den-O faced.

!!! Chameleon Imagin (voiced by Creator/JunichiKanemaru)

An Imagin based off of ''Literature/TheFrogPrince''. His contract holder is a down-on-his-luck musician, Yu, who wishes for "a hell of a lot of money". The Imagin accordingly robs several banks and retrieves the money, enough to completely cover his contract holder in his own apartment.

----

* CurbStompBattle: Because at the time Ryotaro was keeping Momotaros out and didn't know how to fight for himself, the Chameleon easily kicks his ass when they battle in the past. This changes when Momotaros finally takes control.
* HollywoodChameleons: He's based on a chameleon and so can turn completely invisible if he chooses.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Verde from Series/KamenRiderRyuki
* WhipItGood: His main weapon is a purple whip, possibly a reference to a chameleon's long tongue.

!!! Crust Imagin (voiced by Creator/KyoseiTsukui)

An Imagin based off of ''The Crab and the Monkey''. His contract holder is the young soccer player Daiki, who has been benched after failing to make a crucial goal. Daiki wishes he could play soccer again, and the Imagin plans to accomplish this by taking out all the other players.

----
%%* GiantEnemyCrab
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Scissors from Series/KamenRiderRyuki
* OneWingedAngel: He's the first of the Imagin to take a giant unstable form during the battle, appearing more like a sea monster.
* WouldHurtAChild: He decided to fulfill his young contract holder's wish to play soccer again by hospitalizing the other school-aged players.

!!! Crow Imagin (voiced by Creator/RintaroNishi)

An Imagin based off of ''The Bird in Borrowed Feathers''. His contract holder is a young woman named Yumi, who wishes to forget about a man she used to love. He decides to grant her wish by eliminating all sources of the song that played during their date, as music is a strong reminder.

----
* CreepyCrows: Even his [[NightmareFace face is creepy]].
* CatchPhrase: "Erase!", related to how his contract holder's wish is to forget about the man who she messily broke up with at the altar.
* JackassGenie: His way of fulfilling his contract holder's wish to forget her former love is to destroy all music that she associated with him, culminating in him destroying the musical locket he gave her--even as she begs him not to.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Odin from Series/KamenRiderRyuki

!!! Rhino Imagin (voiced by Creator/TsuyoshiKoyama)

An Imagin based off of ''The Naked Rhinoceros'''. His contract holder is a professional karate contender named Shinji, who is unsatisfied after his strongest opponent took ill and left him the winner by default. He wishes to be the strongest at karate, and the Imagin knows an easy way to achieve this--take out the other contenders.

----
* CarryABigStick: The mace can launch red energy orbs.
* ExactWords: His contract holder asked to be the strongest at karate. The Rhino Imagin's response was to attack (and cripple) the other contenders, so that technically he ''would'' be the strongest available.
* FashionableAsymmetry: A majority of his right side is fully armored.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Gai from Series/KamenRiderRyuki
* RhinoRampage: He's tough enough to give Momotaros a hard time, and has to be defeated by the even-tougher Kintaros.

!!! Ivy Imagin (voiced by Creator/KeiichiSonobe)

An Imagin based off of ''Literature/JackAndTheBeanstalk''. His contract holder is the father of the preteen model Kasumi, a man named Kensaku who wishes to be able to see his daughter again. Unfortunately, the Imagin decides to grant this wish by ruining Kasumi's career, which leads the heroes to thinking that the father wished for his daughter's own demise.

----
* PlantPerson: An ivy, to be exact.
* WouldHurtAChild: He attacks Kasumi, a twelve-year-old girl. Most notable because his contract holder is Kasumi's own father, and the heroes are horrified to think that he set the imagin on his own daughter. Although it turns out he's only trying to ruin Kasumi's career and force her to come home, because the man's wish was to "see her again".

!!! Owl Imagin (voiced by Creator/TakayaKuroda)

An Imagin based off of ''The Owl and the Birds''. His contract older is a kindly old man named Toyama Shuji, whose only wish is for the city park to be a safe place for the animals. Unfortunately, the Imagin grants this by making sure no humans can use the park, and that those that do are injured for it.

----
* FeatheredFiend: He is based on a white owl.
* FemmeFatalons: His right hand has three claws.
* WouldHurtAChild: While "fulfilling" his contract holder's wish to make the park safe for animals (by keeping people out of it) he tries to attack a woman and her small child approaching the park.

!!! Whale Imagin (voiced by Creator/YoheiTadano)

An Imagin based off of ''Literature/{{Pinocchio}}''. His contract holder is a man named Kosaku, who wishes for help with his drinking problem. The Imagin grants this wish by assaulting anyone who ''knew'' of his drinking problem, meaning his former employees and a sake vendor.

----
* MightyGlacier: Not a fast Imagin, but he barely flinches as Momotaros' sword strikes do not seem to affect him that much.
* SmartWhales: Although he is more of a [[TerseTalker slow talker]].

!!! Wolf Imagin (voiced by Creator/NobuyukiHiyama)

An Imagin based off of ''Literature/LittleRedRidingHood''. His contract holder is Ryotaro's own former classmate Yuka Sawada, who wishes to be surrounded by nostalgic things after years of schooling in England. He accomplishes this by murdering schoolgirls and giving her their possessions.

----
* AndThenWhat: He succeeds at getting to the past and evading Den-O, but then, unusually for an imagin, he has no idea ''what'' he should attack and gets frustrated trying to pick something. Eventually he decides to destroy ''everything''.
* KickTheDog: Most Imagin are cruel in how they grant their contract holder's wish, but the wolf imagin takes an extra step to menace Sawada and mock her for how "boring" her wish is.
* TheBigBadWolf: His fairy tale is specifically "Little Red Riding Hood", being the wolf of the story.
* WolfMan: He's not technically a wolf or a man, but he is humanoid with a wolfish head.

!!! Jelly Imagin (voiced by Creator/RyuseiNakao)

An Imagin based off of ''The Jellyfish Errand''. His contract holder, a bereaved man named Amano, wishes to be able to find his late lover's time capsule to have something to remember her by. Rather than look for the capsule, he decides to force Amano to dig up another one and call it good.

----
* CombatTentacles: They even deliver an [[ShockAndAwe electric shock]].
* ElectricJellyfish: His electric-charged tentacles give Den-O a hard time.
* {{Jerkass}}: One of the cruelest Imagins of the series; his contract holder's wish is to dig up his late love's time capsule, but he forces him (via literal beatings) to accept other time capsules instead because he can't be bothered to look for the real one. Momotaros comments that even the other imagin didn't beat their contract holders as badly as he did.
* WhipItGood: He uses his tentacles as whips.

!!! Tortoice Imagin (voiced by Creator/KojiOchiai)

An Imagin based off of ''Literature/TheTortoiseAndTheHare''. A candy vendor named Tanaka makes a wish while in a stupor for his boss, who forced him to sell in a poor location, to suffer. The Imagin assaults Tanaka's boss and puts him in the hospital, but is frustrated when Tanaka doesn't even remember making the wish. Unusually, this Imagin is able to split into two, one being the tortoise and one being the hare.

----
* OneWingedAngel: The two Imagin each turn into giant monsters during the battle against Zeronos and Den-O, one a behemoth and the other a winged creature.
* RascallyRabbit: The Imagin's other twin has this motif.
* SharingABody: They are two Imagins in one, one with a tortoise motif and the other with a rabbit motif (although he looks nearly identical to the other.)
* TurtlePower: The Imagin mainly has a turtle motif, much to Urataros' annoyance.

!!! Scorpion Imagin (voiced by Creator/NobutoshiCanna)

An Imagin based off of ''The Boy Hunting Locusts''. His contract holder is a criminal named Masuda, who kidnapped the grandson of the CEO of a company he was fired from. After Sieg takes the baby and leaves, Masuda makes a wish to the Imagin to kidnap the baby's mother instead.

----
* HostageSituation: His contract holder was trying to kidnap and ransom the child of a wealthy woman, and made the contract when he lost the baby.
* LazyBum: His introduction has him asking his contract holder not to make his wish too much work, and he moans and groans through the whole thing while asking people not to make too much work for him.
%%* ScaryScorpions

!!! Spider Imagin (voiced by Creator/ChihiroSuzuki)

An Imagin based off of ''Tsuchigumo Story''. He made a contract with a young man named Masashi for his sister to see the starry sky, and plans to kidnap her and tie her to the top of an electric tower. He's apparently defeated by Zeronos, only for it to be revealed that he's another kind of Imagin that can split in two. He makes another appearance later in the series, and in Series/KamenRiderDecade.

----
* ArachnidAppearanceAndAttire: His outfit is black and red with web decorations, and his fingers are fittingly long and thin.
* ExpendableClone: It is later revealed that he cloned himself (albeit with green eyes and his memories intact) to continue the contract holder's wish. However, he went for a differently alternative plan: instead of taking his contract holder's younger sister from the hospital and intending to take her atop of an electric tower to let her see the stars, he decided to cut the power, shutting off all of the electricity in the city as a result.
* SpiderPeople: This Imagin is a variant where he has only four limbs, but multiple eyes and still an ability to spin webs.

!!! Molech Imagin (voiced by Creator/HidenoriTokuyama)

An Imagin based off of ''Why the crocodile does not eat hens'' and a partner to the Bloodsucker Imagin. Unlike most Imagin in the series, he isn't interested in going into the past specifically, but in assisting his master Gaoh by distracting Den-O long enough for Gaoh and his associates to hijack the [=DenLiner=]. He contracts with a jewel thief and heads into the past with Den-O in pursuit.

----
* LizardFolk: He seems to be based on an actual spiked reptile, known as the moloch.
* SpikesOfVillainy: He's one of the more sinister Imagin, especially as he has a slightly deeper plan than is usual thanks to his master. He's also covered in spikes.
* ThanatosGambit: He orchestrates a fight with Den-O that leads to his death, knowing that in the time it takes to defeat him Den-O will have lost the [=DenLiner=] to Gaoh.

!!! Bloodsucker Imagin (voiced by Creator/NobuoTobita)

An Imagin based off of ''Leeches and Master Kobo'' and a partner to the Molech Imagin. While the Molech Imagin distracted Den-O so Gaoh could steal the [=DenLiner=], the Bloodsucker Imagin was meant to distract Zeronos. To do this, he contracted with a nervous jewel thief named Ike who wanted to get back the jewels he pawned off under his partner's nose. After Gaoh is defeated, the Imagin returns to the standard goal to go to the past and wreak havoc after completing his contract.

----
* BrickJoke: He reappears with one, as he's introduced in the episode before the first movie. After the events of the movie have passed, the characters have forgotten all about him and are celebrating... until the next episode, where Ryoutarou remembers there was still an Imagin they had to clean up.
* DragonTheirFeet: Conveniently off on a contract for someone else when his master is defeated, and as such survives as Gaoh's last enforcer, though by this point he's just doing what he wants.
* EvilLaugh: He laughs liberally through his appearance after he manages to get to the past, especially while he's beating people up.
* EyelessFace: Has no eyes, just a black strip around his face, which makes him all the more creepier.

!!! Wasp Imagin (voiced by Creator/ShoutoKashii)

An Imagin based off of ''The Wasp and the Snake''. His contract holder is a petty thief who believes he accidentally murdered someone and wishes to dispose of the body that he left in a building that is now being used for a neighborhood courage test. In truth, the man he "killed" was just knocked out and left the premises--but that doesn't stop the Wasp Imagin from fulfilling the wish, in a way.

----
* BeeAfraid: Well, he's more based on a wasp.
* ExactWords: The thief asked for "the corpse" to be disposed of for his wish. The "corpse" was already long gone from the area, but the Wasp Imagin made due with a fake "corpse". After disposing of that, he declares the contract complete.
* PaletteSwap: The suit worn for the Wasp Imagin is actually a modified version of the suit for the Crust Imagin.
* RoyalRapier: He is seen wielding this.

!!! Bluebird Imagin (voiced by Creator/MitsuakiHoshino)

An Imagin based off of ''The Blue Bird''. His contract holder is a young man named Terasaki who split up with his wife and child after he enrolled in working with fireworks against her wishes. He makes a wish for his estranged wife to "see the fireworks", i.e. the first fireworks that he would be firing off.

----
* FeatheredFiend: Based on a bluebird, not a blue jay, despite similar appearances.
* JackassGenie: The contract holder wants his wife to see the fireworks that he'll be setting off. The Imagin takes the phrase "see the fireworks" and interprets it as ''lobbing a fireball'' at her.

!!! Rabbit Imagin (voiced by Creator/ToshitsuguTakashina)

Another Imagin based off of ''Literature/TheTortoiseAndTheHare''. Unusually, he's defeated by Den-O early in the episode he appears in, his contract holder being an unlucky man whom he'd hung off a building in order to fulfill his wish to "fly".

----
* PaletteSwap: Of the Tortoice Imagin's rabbit twin.
* RascallyRabbit: He's based on a rabbit, and fulfills his contract holder's wish to "fly" by hanging him off a building and saying he'll "fly" when the rope breaks.
* WeHardlyKnewYe: Unlike most Imagin that get an episode or two to themselves, this one is killed in the first few minutes of the episode to leave room for the Anthopper brothers.
* WhiteBunny: His motif is a white rabbit, even though he still has some tortoise-esque features.

!!! Anthopper Imagin (Ari voiced by Creator/KosukeToriumi, Kirigiris voiced by Creator/TomokazuSeki)

An pair of Imagin brothers who are both based off of ''Literature/TheGrasshopperAndTheAnts''. They make a contract with an unscrupulous loan shark named Fujishiro who is seeking to marry Airi, but this is only in order to obtain a physical form. Their true goal is to defeat Den-O directly.

----
* BigCreepyCrawlies: Both brothers have the left side an ant, the right side a grasshopper.
* BlueOniRedOni: Ari's cool-minded Blue and Kirigiris' lunatic Red.
* CoolSword: Ari's sword resembles a shovel, whereas Kirigiris' sword is shaped like a viola.
* IdenticalTwinIDTag: Although they look identical, Ari has a shovel-shaped sword and Kirigiris has a viola shaped sword.
* IHaveYourWife: Possessing Fujishiro, Ari kidnaps Airi to draw Ryotaro out in the second act.
* LaughingMad: Kirigiris, the more wild and sadistic of the two, cackles psychotically during battle.

!!! Kraken Imagin (voiced by Creator/TetsuInada)

An Imagin based off of ''The Octopus and The Skull''. He makes a contract with an unknown pianist who wishes for a piano. So of course he gives him one. Unusually, the contract is not completed because the Imagin didn't fulfil the spirit of the wish; the contract holder really wanted to be able to play the piano where his friend--a young man in a coma--could hear i.e. outside his hospital room.

----
* GiantSquid: Krakens are even mentioned to be enormous squids in some real-life myths.
* NiceHat: The fins and point on his head resemble a wide-brimmed hat.

!!! Mole Imagin (voiced by Creator/DaisukeKirii (Ax-Hand), Creator/KoichiSakaguchi (Claw-Hand), Creator/AkiraSasanuma (Drill-Hand))

A troop of Imagin based off of ''Thumbelina''. They make a contract with a young man who wanted to beat all the men in a karate dojo--in a singing competition, but that doesn't stop the Imagin from beating them all up to complete the contract. Once there, they reveal themselves to be three Imagins. They serve as a big problem for Ryotaro, whose bond with the Taros and ability to be possessed by them is disintegrating.

----
* DemotedToExtra: They would appear again in later productions as Imagin {{Mooks}}.
* ExactWords: The man they contracted with wished to "beat" the men in a karate dojo--the Imagin just possesses him and makes him beat them all up. What the contract holder really ''wanted'' was to beat them in a ''singing'' competition. Nonetheless, it counts.
* GasMaskMooks: Their rounded lenses make them resemble this trope. The pickelhaube helmets also help.
* {{Homage}}: To the mooks from Series/{{Inazuman}}, from the head designs and claw arms to the tendency to appear three at a time.
* IdenticalTwinIDTag: Their weapons serve as this: One has an ax, one a claw, and one a drill. Otherwise they are identical.

!!! Leo Imagin (voiced by Creator/KazuhiroYamaji)

An Imagin based off of ''The Man Who Found a Gold Lion''. Already possessing a physical form, this Imagin serves Kai directly and takes part in his plot to destroy the [=DenLiner=] using Ryutaros.

----
* TheDragon: He served as one to Kai more so than the other Imagin, sticking close to him like a personal bodyguard until his final fight with Den-O
* KingOfBeasts: He is based on a lion.

!!! Panda Rabbit Imagin (voiced by Creator/KojiOchiai)

Another Imagin based off of ''Literature/TheTortoiseAndTheHare'', although one not identical to the previous Imagin with this motif.

----
* MixAndMatchCritters: As his name implies, he is a mixture of a rabbit and a panda.
* WeHardlyKnewYe: Much like the White Rabbit Imagin, this one is killed off a few minutes after his introduction, as the episode is really about the Snail Imagin.

!!! Snail Imagin (Female voiced by Creator/NanahoKatsuragi, Male voiced by Creator/TakashiIrie)

A pair of Imagin based off of ''The Snail and the Rose Tree'', one male and one female. They are subordinates of Kai and more far deadly than some of their fellows. They are already physically formed but still go into the past and change things for Kai's purposes, the female contracting with Yuto's former teacher.

----
* IHaveYourWife: The male Imagin kidnaps [[spoiler:Kohana under Kai's orders to force Ryotaro to consider joining him.]]

!!! Oct Imagin (voiced by Creator/KenjiroTsuda)

Another Imagin based off of ''The Octopus and The Skull''. He makes a contract with a formerly IllGirl named Shouko who has, unfortunately for the Imagin, fallen in love with a Deneb-possessed Sakurai Yuto and who wishes to see him again.

----


!!! Armadillo Imagin (voiced by Creator/WataruTakagi)

An Imagin based off of ''La Cancion del Armadillo''.

----
* EpicFlail: One of his weapons.
* MistakenIdentity: Momotaros confused his AnimalMotif as a shrimp. This Imagin immediately corrected that, stating the near-invincible villain is an armadillo.
* RollingAttack: Similar to how an actual armadillo would curl itself into a ball.

!!! Albinoleo Imagin (voiced by Takaya Kuroda)

Another Imagin based on ''The Man Who Found a Gold Lion'', this one a stronger white version. When the original Leo Imagin is destroyed, the Albinoleo Imagin serves as Kai's direct subordinate, helping him to eliminate the Junction Point.

----
* TheDragon: He replaces the destroyed Leo Imagin in this role, always staying near Kai and being sent to the past only to do the most important mission that is [[spoiler:killing Airi.]]
* PaletteSwap: Of the original Leo Imagin costume.

!!! Snowman Imagin (voiced by Creator/ToruOkawa)

An Imagin based off of ''Frosty the Snowman''. Kai uses him to go to the past and try to discover a seeming discrepancy in Ryotaro's knowledge about Sakurai's disappearance; the Imagin does this by making a contract with a jeweler that Ryotaro bought a watch from about a year ago.

----
* AnIcePerson: He is based on a Snowman.
* ExactWords: The poor jeweler's wish was for him to get all of his stock cleared out. He of course meant by ''selling'' his stock, but the Imagin just took all of his merchandise and threw it out into the street.

!!! Death Imagin (voiced by Hiroshi Yanaka)

An Imagin based on ''Death's Messenger''. Kai summons him during the show's finale in order to help him destroy the entire era.

----
* GrimReaper: Along with a double-sided SinisterScythe, it matches, albeit without the black hoodie cloak.
[[/folder]]

[[folder:Characters Introduced in ''Ore, Tanjou!'']]

!!Gaoh[=/=]Kamen Rider Gaoh (portrayed by Hiroyuki Watanabe; suit actor Yoshifumi Oshikawa)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/gaoh.png]]
-->"I will devour everything!"

The BigBad of the first movie, Gaoh is a thief-king who, along with a gang of rogue Imagin following him, targets time trains. After getting Ryotaro to chase an Imagin to 2000, he stole the [=DenLiner=] in order to go further back in time, as well as to obtain the Master Pass from Owner, which allows its user to go to any time period they wish. Upon arriving in the Sengoku period, he manipulates Yukimura Sanada into helping him uncover the [=GaohLiner=], a time train originally named "God's Train" due to its ability to control time, even being able to erase Singularity Points. In the end, Gaoh is brought down by the combined efforts of all four [=Den-Os=] (collected from various points in time by Yuto) and Zeronos.

----
* {{BFS}}: [=GaohGasher=] Sword Mode.
* BigBad: Of ''Ore, Tanjou!''.
* BigEater: Quite literally; Gaoh spends most of his non-battle scenes munching on large quantities of food, such as whole turkey legs or pineapples.
%%* CardCarryingVillain
* CatchPhrase: "Everything, I'll devour it all." [[labelnote:Japanese]]''"Zennin, ore ga kutte yaru."''[[/labelnote]]
* CoolOldGuy: Hiroyuki Watanabe was 51 during filming, making him the oldest actor to portray a Kamen Rider.
* DeathByGenreSavviness: Doesn't wait for Sword Form to finish charging up his FinishingMove, going in for the kill, [[spoiler:[[OutGambitted except]] that Momo actually anticipated this; at close proximity, Gaoh was left vulnerable to Extreme Slash, Special Version.]]
* FinishingMove: ''Tyrant Crash'' (similar to Den-O's Extreme Slash).
* GangOfHats: His Imagin followers are all reptilian.
* InTheStyleOf: Double-Action Gaoh Form = Death Rock. Also the only Double-Action variation sung solo.
* NoBodyLeftBehind: [[spoiler: After Den-O kills him he's 'consumed by time' and reduced to sand.]]
* NoHoldsBarredBeatdown: His first henshin in order to fight Zeronos can be described as this.
* OmnicidalManiac: He wanted to destroy time itself.
* PaletteSwap: The Gaoh costume is built from a Den-O costume, but it's still pretty distinct...at least until they used '''it''' to build Yuuki from the third movie...
* SingleStrokeBattle: How Den-O finally finishes him.
* StrawNihilist: His goal is to destroy all time because he's [[ForTheEvulz grown bored of it]] and considers it pointless.
* WhyDontYaJustShootHim: After uncovering the [=GaohLiner=], Gaoh heads to Ryotaro's birthday with the intent of erasing the day from existence, therefore destroying Ryotaro AND Den-O.
* VillainSong: While he doesn't sing it in the movie itself, ''[[https://www.youtube.com/watch?v=co_VVSB1My8 Double Action Gaoh Form]]'' is added to the director's cut of the movie. His is also the only solo version of the song.

!! Cobra Imagin (voiced by Takashi Hagino)

One of Gaoh's henchmen, an Imagin based off of ''The Lucky Farmer Becomes King''. He aids Gaoh in his plot to take over God's Train.

----
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Ouja from Series/KamenRiderRyuki. It's a more intentional example than the others, since he just so happens to be voiced by Asakura's actor, and [[spoiler: is beaten by Ryotaro while the latter is possessed by Sieg, who's based on Femme (who killed Ouja in ''Episode Final'')]].
* SnakePeople: He is based on a cobra.

!! Salamander Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Story of the Fifth Aztec Sun''. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a salamander.

!! Gecko Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Mystery of the Newt'' along with the Newt Imagin. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a gecko.

!! Newt Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Mystery of the Newt'' along with the Gecko Imagin. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a Newt.


[[/folder]]

[[folder:Characters Introduced in ''Climax Deka'']]

!!Kazuya Suzuki (portrayed by Ryota Murai)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kazuya_suzuki.png]]

A police detective, Suzuki is assigned to work with the [=DenLiner=] Police in order to investigate the rash of Imagin and [[Series/KamenRiderKiva Fangire]]-related crimes that have been on the rise lately. Initially he doesn't mesh with the team at all, being freaked out by the Imagin and blindly pursuing the criminal Seiya Kuroki. Eventually they learn that his father '''Kazuma Suzuki''' (portrayed by Ryoji Morimoto) was a great policeman and he just wants to live up to his example.

----
* ButtMonkey: His terror of the Imagin and general incompetence leads him to being smacked around and teased constantly, and he's even kidnapped by Negataros' crew.
* DisappearedDad: His father was a cop who died on the job when Kazuya was still very young.
%%* InspectorLestrade
* ThisIsSomethingHesGotToDoHimself: Though Hana could kick Kuroki's butt five ways from Sunday, she lets Suzuki collar him, even if it does mean a drawn-out fight where he takes his share of lumps.
%%* ThisLoserIsYou
* WellDoneSonGuy: His goal is to follow in his father's footsteps. [[spoiler:Amusingly, during their trip to 1986 to give Kazuya closure, we hear his father remark that he wants better for his son.]]
* WhatTheHellHero: Momo chews him out for foolishly [[StormingTheCastle infiltrating Negataros' HQ]] without any backup, leading to him getting captured. Granted, it was because the rescue attempt mounted by the [=DenLiner=] Police nearly cost them their lives.

----

!!Negataros[=/=]Kamen Rider Nega Den-O (voiced by Creator/HikaruMidorikawa; suit actor Jiro Okamoto)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/negataros.png]]
-->"My evil organization is eternal!"

The BigBad of ''Climax Deka'', Negataros is a rogue Imagin who survived Kai's death and struck out on his own, attempting to found an Evil Organization. In his quest, he recruited human criminals as well as Imagin and [[Series/KamenRiderKiva Fangire]], and eventually drew the [=DenLiner=] Police's notice when he stole Owner's spare Rider Pass. In the final battle, he used the Pass to transform into Nega Den-O, but was taken down by the combined efforts of the [=DenLiner=] crew and Series/KamenRiderKiva.

----
* AscendedExtra: Negataros gets a great deal of expansion in Den-O's S.I.C. Hero Saga story, a text series published in Hobby Japan Magazine. The story, an alternate version of ''Climax Deka'', has Negataros travel to 1971 and join forces with Shocker, the evil organization of the original ''Series/KamenRider'', which leads Ryotaro and Yuto to pursue and eventually team up with the Showa Kamen Riders.
* CardCarryingVillain: He wants to form an "evil syndicate" so he can take over the world; he's not as hammy as most examples, but it's clear he knows he's a villain and revels in being one.
* EvilTwin: Of Momotaros, as well as Den-O Sword Form.
* FinishingMove: As Nega Den-O, he can use any of Den-O's primary four finishers, though in ''Climax Deka'' we only see the ''Nega Wild Shot''. The arcade game ''Ganbaride'' shows the ''Negastreme Slash'', as well as giving Negataros himself a move that combines all four finishers, called ''Hell's Quartet''.
* TheMafia: What he wants to be, apparently.
* OrcusOnHisThrone: Didn't do anything significant, just bragging about his "evil syndicate", at least until the movie's climax.
* PaletteSwap: Almost literally; Negataros is a negative-colored Momotaros, and Nega Den-O is Sword Form painted purple with blue tribal flame-like markings.
* WeaponOfChoice: Nega [=DenGasher=], with all the modes of the orignal.: CoolSword, BladeOnAStick, AnAxeToGrind and {{Handguns}}.

----

!!Featured Imagins

!!!Pink Rabbit Imagin

An Imagin that is one of Negataros' followers.

----
* RascallyRabbit: Also colored pink, as its name implies.
* TheVoiceless: Does not speak at all.

!!!Clown Imagin (voiced by Chihiro Suzuki)

An Imagin based on ''Pulcinella''.

----
* MonsterClown: He's dressed in vibrant harlequin colors and is clearly meant to be a clown, but he looks like a horrifying stitched up nightmare.
[[/folder]]

[[folder:Characters Introduced in ''Final Countdown'']]

!!Kotaro Nogami[=/=]Kamen Rider NEW Den-O (portrayed by Dori Sakurada; suit actor Seiji Takaiwa for Final Countdown, Makoto Ito for following films)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kotaro_nogami.png]]
-->"My strength is... the real thing."

Ryotaro's [[KidFromTheFuture Grandkid From The Future]]. He grew up listening to stories of Ryotaro's exploits from Owner, and eventually became the new Den-O along with his partner Imagin Teddy. The smug, arrogant Kotaro looks down on Ryotaro and the Taros, thinking them to be weak fools who could barely get the job done, and stepping in to take over as the protector of the timeline. However, after fighting alongside the younger Ryotaro and his allies, Kotaro gained an honest respect for his grandfather and mellowed out a good deal.

----
* AmazinglyEmbarrassingParents: His grandfather, Ryotaro, though Kotaro later drops the attitude.
* AnAxeToGrind: Kintaono (Kintaros in ''Episode Blue'').
* BelatedLoveEpiphany: A non-romantic variation with Teddy; in ''Episode Blue'' the Owner takes Teddy's contract away and has him doing chores on the [=DenLiner=], while Kotaro is forced to used the Taros as replacements. He ends up miserable, constantly failing, and he realizes how much he took for granted his partnership with Teddy.
* BladeOnAStick: [=DenGasher=], Naginata Mode (Vega Form, when Deneb possesses him in ''Onigashima Battleship'').
* CatchPhrase: "My strength is *snaps fingers twice* the real thing.".
* CharacterTics: Snapping his fingers. In ''Final Countdown'', he has Teddy set up a countdown of how long it'll take him to defeat an opponent; as a show of his arrogance it tends to be a low number, always below 30 seconds. The real sign that he's matured is when Teddy asks for a count against Shiro and Kotaro replies "The real battle starts at zero!"
* CoolSword:
** Momotaken (Momotaros in ''Let's Go Kamen Riders'').
** [=DenGasher=], Sword Mode (Strike Form, when Teddy is fighting alongside him).
* DefrostingIceKing: In Final Countdown, after being beaten down by the movie's BigBad, Kotaro becomes sullen and tries to train even harder. Momotaros comes to talk with him about how his grandfather was strong in much the same way (i.e., getting back up after being knocked down.) From then on, Kotaro becomes a lot warmer towards Ryotaro and less arrogant in general.
* DistressedDude: His capture at the hands of the Oni is an important part of ''Onigashima Battleship''.
* EmbarrassingFirstName: He dislikes it because apparently in the future it gained the connotation of being a "country" name.
* EpicFlail: Uratazao (Urataros in ''Episode Blue'').
* FinishingMove:
** Strike Form:
*** ''Counter Slash'': A DiagonalCut with the [=MacheTeddy=].
*** ''Strike Spurt'': New Den-O's Rider Kick.
** Vega Form: ''Brandish Dive''.
* HostageForMcGuffin: He's captured by the Oni in ''Onigashima Battleship'' and offered in exchange for the [=DenLiner=], as well as the other half of the Oni's Kirifuda that they plan to use to wipe out humanity.
* KidFromTheFuture: He's a strange case, seeing as how Ryotaro never had any romantic interests within the series; early press on the Cho Den-O Trilogy implied that his father would appear, but this turned out to be false.
* LamarckWasRight: He seems to have inherited Ryotaro's ''bad luck'' of all things...
* MacheteMayhem: [=MacheTeddy=].
* MorphWeapon: Kotaro has the power to change any Imagin into a weapon for him to use[[note]]Ryutaros is the only one of the four -Taros imagin who currently does not have a corresponding weapon; however, it's very likely that he would transform into a [[{{Handguns}} handgun]][[/note]].
* OneSteveLimit: Averted. He isnít the [[Series/KamenRiderBlack first Rider]] to be named [[Series/KamenRiderBlackRX Kotaro]].
* PowersViaPossession: Averted with Strike Form, but played straight with Vega Form needing Deneb to possess Kotaro.
* RealLifeWritesThePlot: Sort of. One of the big reasons they switched from Ryotaro to Kotaro is because Ryotaro's actor, Takeru Satoh, made it big and Toei couldn't really afford his agency's set salary (despite Takeru always saying that he loved playing Ryotaro). This is also the reason why Takuya Mizoguchi replaced Satoh as Ryotaro from ''The Onigashima Battleship'' onwards.
* RearrangeTheSong: Double-Action Strike Form (rock and roll), finally introduced in the ''Chou Den-O Trilogy''.
* SwissArmyWeapon: Like his Grandpa, Kotaro has his own [=DenGasher=] that can be assembled in any mode.

----

!!Teddy/Neotaros (voiced by Creator/DaisukeOno; suit actor Shinichi Kaneda)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/teddy_5.png]]

Kotaro's partner Imagin, Teddy is quiet, polite, and reserved. Unlike the other heroic Imagin who possess their contractors, he assumes the form of a two-handed sword dubbed the [=MacheTeddy=] in order to aid Kotaro in battle. He attempts to subdue Kotaro's brashness, and often ends up apologizing to the [=DenLiner=] team after the young man leaves the room. His capture while attempting to spy on Shiro gives the first indication that Kotaro might have a softer side, and the two are friends and partners despite their differing personalities and the master[=/=]servant relationship they seem to exhibit.

----
* BattleButler: Teddy assists Kotaro in battle, turning into a sword when they transform. He also fulfills a butler role for him in catering to his needs (even up to protecting Kotaro from his own bad luck.)
* BelatedLoveEpiphany: Of a non-romantic sort; after the Owner takes up a contract with him and forces him to leave Kotaro alone, Teddy at first doesn't resist. He gradually realizes how important Kotaro was to him and risks disappearing for good to get back to him.
* EmpathicWeapon: Teddy can transform into New Den-O's weapon, the [=MacheTeddy=].
* MeaningfulRename:
** Originally he was Neotaros, but after Kotaro became disillusioned with Ryotaro, he was rechristened Teddy.
** In ''Episode Blue'', when Teddy is briefly contracted to Owner, his name is changed to Aleksandrovic.
* OnlySaneMan: A down-to-earth kinda guy, especially when compared to the other Imagin.
* StealthPun: In the anime short before ''Episode Blue'', the Imagin are eating chicken ''tendon'', and they wouldn't understand why Teddy is crying his eyes out just watching them.
* TalkingWeapon: His [=MacheTeddy=] form.
* WeaponTombstone: [[spoiler:In ''Let's Go Kamen Riders'', Teddie gets killed in the past trying to protect the Rider Scouts from Shocker. The scouts plant his remains, [=MacheTeddy=], in one of their hideouts, in order for the Riders in the future to find the TimeCapsule buried underneath.]]
* YouALLLookFamiliar: Teddy's appearance came from Kotaro's listening of the Owner's stories about his grandfather, Momotaros and the other Imagin. Thus he resembles all four Taros while maintaining his own image.
----

!!Shiro[=/=]Kamen Rider Yuuki Hijack Form (portrayed by Yuki Matsumura; suit actor Kazutoshi Yokoyama)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/shiro_86.png]]
-->"You... why must you make Sora sad?"

The primary antagonist of ''Final Countdown'', Shiro was a man from the Edo period who lost Sora, the love of his life, and was unable to move on. After dying, he discovered the Ghost Train and plotted to reverse the worlds of the living and the dead, bringing Sora back to life no matter the cost. He kidnapped Ryotaro in order to further his goals, but eventually had to personally enter battle as Yuuki Hijack Form.

----
* AffablyEvil: While Ryotaro is virtually his prisoner, Shiro initially treats him in a civil manner, at least until Ryotaro starts showing signs of breaking free of Shiro's control.
* AfterlifeExpress: The Ghost Train, a spectral steam engine with a skull mounted on the face, somewhat reminiscent of ''VideoGame/FinalFantasyVI'''s Doomtrain.
* BattleTops: ''Exploding'' toy tops.
* {{BFS}}: [=SavageGasher=]; it's made up of [[http://kamenrider.wikia.com/wiki/File:Den-O-Yuuki-hijack.jpg two complete DenGasher sets]].
* FinishingMove: ''Terminate Flash''
* GangOfHats: Fitting in with this ability, Shiro's Imagin minions are associated with darkness (Ghost, Phantom, Shadow).
* LoveMakesYouEvil: He's so blinded by his mission, that he fails to realize that Sora never wanted him to do it.
%%* {{Necromancer}}
* PaletteSwap: The Yuuki suit is essentially a black Gaoh suit minus the chest "fangs", plus coattails, two unique [=DenKamen=], a color changing rail-scarf, and Hijack Form gains a [[RedRightHand mechanical gauntlet]].
* WhipItGood: His weapon of choice is a whip, which he uses to also scatter about exploding tops.
* WoobieDestroyerOfWorlds: He wants to do an act so terrible that it would turn the world upside-down, with the dead coming back to life and the living dying. But all he really wants is to save the woman he loves, who evidently died young.

----

!!Ghost Imagin (voiced by Creator/HiroshiKamiya)

One of Shiro's Imagin followers. He possesses Ryotaro, turning him into A-Ryotaro with a corresponding Kamen Rider Yuuki "Skull Form".

----
* TheDragon: Of the Imagin following Shiro, the Ghost Imagin is the Dragon, and is given the most important role in his plan by possessing Ryotaro.
* OurGhostsAreDifferent: While his motif is that of a ghost, he takes an appearance closer to that of a neon skeleton.

!!Phantom Imagin (voiced by Takuma Takewaka)

One of Shiro's Imagin followers.

----
* PaletteSwap: Of the Snail Imagin.

!!Shadow Imagin (voiced by Creator/TomokazuSugita)

One of Shiro's Imagin followers.

----
* PaletteSwap: A modified variation of the [=AntHopper=] Imagin costume.
[[/folder]]

[[folder:Characters Introduced in ''Onigashima Battleship'']]

!!Yu (portrayed by Ruka Sawaki)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/yu_4.png]]

A young boy from Tokyo; after his mother's death he was forced to relocate to his grandmother's in the countryside. He prefers the busier city life instead of the dirtier country life, especially as he hates bugs. Because of his apparent contempt for the countryside, he's nicknamed "Tokyo Boy" and bullied by fellow classmates. His life starts to change after he discovers the Kirifuda, a trump card against humanity that is desperately wanted by the Oni searching his village for it.

----
* CityMouse: He was moved to the countryside from Tokyo due to family circumstances, and misses the city life.
* CrosscastRole: The one who played him, Ruka Sawaki, is a girl.
* IntergenerationalFriendship: He becomes close friends with Deneb in particular over the course of the movie, [[spoiler:foreshadowing that he has that relationship with him in the present as Yuto Sakurai.]] He also befriends Toki, who may be his ancestor.
* ItWasWithYouAllAlong: The Kirifuda that the [=DenLiner=] crew and the Oni had been looking for. He uses it to bargain with the Owner in order to ride [=DenLiner=].
* ParentalAbandonment: His mother died long before the events of the movie and his father is in a foreign country, leaving him in his grandmother's care.
* PrecociousCrush: Instantly smitten with Toki, the girl that leads the fight against the Oni Brothers, at first sight. Though it might be less of this and more that she reminded him of his deceased mother. Wiki/TheOtherWiki mentions that she is Yu's mother's ancestor.
* RaisedByGrandparents: Lives with his grandmother, as his mother is dead and his father is busy overseas.
* TheStinger: [[spoiler:As the credits roll, Yu shouts his full name at the bullies from earlier, revealing it as Yuto Sakurai. Furthermore, Deneb tentatively tries to ask Yuto if he remembered him from his childhood. Yuto responds by a MeaningfulEcho of Yu's words from earlier.]]

----

!!Toki (portrayed by Akina Minami)

Toki is the protector of the Kirifuda during the Muromachi period, protecting it from the Oni Brothers with her master archery skills. She is the ancestor of Yu's mother.

----
* ActionGirl: She's a pretty skilled archer, and takes part in battle alongside her fellow villagers, most of whom are men.
* IdenticalAncestor: Though Yu's mother's face was never seen, Yu said to Toki that they look alike.
* TakingTheBullet: She took a hit meant for Yu, leaving her injured.

----

!! Mimihiko[=/=]Silvara (portrayed by Shingo Yanagisawa)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/mimihiko.png]]
One of the leaders of the Oni, alongside his brother Kuchihiko. While his brother waits for him in the present, Mimihiko uses a rip in time to travel to points in the future with a small band of Oni and look for the Kirifuda that they plan to use to exterminate humanity. This causes a disruption in time that temporarily deprives the Taros of their physical forms and physically de-ages Ryotaro. Is able to transform into the dragonfly-like Silvara.

----
* ChekhovsGunman: He makes an early appearance in a Den-O crossover episode of ''Series/KamenRiderDecade'', although he turns out to not be the BigBad of the two-parter.
* ChromeChampion: As indicated by his second name, his Rider armor is silver in color.
* DropTheHammer: Wields a large kanabō mace.
* EvenEvilHasLovedOnes: Genuinely loves his brother, to the point of sacrificing himself to save him from a fatal blow.
* LightningReveal: At the beginning of the movie, his Rider form appears when lightning flashes on the screen.
* TakingTheBullet: Shields his brother from both New Den-O's Brandish Dive and Super Climax Form's Rider Kick, which proved to be fatal for Silvara.
* WouldHurtAChild: Even though Yu only stumbled upon them by accident, Mimihiko decides to kill him for no other reason than [[ForTheEvulz he's bored]].

----

!! Kuchihiko[=/=]Goldra (portrayed by Eisuke Sasai)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kuchihiko.png]]
One of the leaders of the Oni, alongside his brother Mimihiko. While Mimihiko searches for the other half of the Kirifuda in the future, Kuchihiko wages war against humanity in the past, particularly against the people of Toki's village. He is able to transform into the golden grasshopper-like Goldra.

----
* BigBad: Although his brother is also one of the main villains of the movie, he has the bigger role of the two, and lasts the longest.
* BlingBlingBang: As indicated by his second name, his Rider armor is gold in color.
* DoubleWeapon: Wields a double-headed spear.
* EvenEvilHasLovedOnes: The two oni, despite being time-traveling conquerors, genuinely care for each other, and Goldra goes ''berserk'' when he's killed.
* FailedASpotCheck: For RuleOfFunny. He didn't see Teddy standing ''right in front of him'' when he was riding the [=DenLiner=].
* LastVillainStand: Momo tries to talk him into abandoning the Onigashima battleship when it's on the brink of destruction, but Goldra refuses, resulting in a final skirmish between the two.
* VillainousBreakdown: Goes ''completely'' berserk when his brother's killed.
* WouldHurtAChild: Like his brother, he tried to hurt Yu but Toki [[TakingTheBullet took the hit]].

----

[[/folder]]

[[folder:Characters Introduced in ''Chō Den-O Trilogy'']]

!!Reiji Kurosaki[=/=]Kamen Rider G Den-O (portrayed by Yuta Furukawa, suit actor Norihito Itō), Eve (voiced by Creator/HirokiTakahashi)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/reiji_kurosaki.png]]
A member of the [[TimePolice G-Men]], Kurosaki uses the artificial Imagin Eve to protect the timestream as Kamen Rider G Den-O. He initially appears chasing [[Series/KamenRiderDecade Daiki Kaitou/Kamen Rider [=DiEnd=]]], who was attempting to cause a TimeParadox by killing his past self, but then he arrests the Taros as well, Eve claiming that their mucking about time with the [=DenLiner=] will only cause trouble. While he pursues Kaitou, the [=DenLiner=] crew tries to sort out the situation and figure out what Kaitou's overall goal is in the incident.

----
* AIIsACrapshoot: [[spoiler:His artificial Doberman Pinscher Imagin, Eve,]] is a KnightTemplar.
* AxCrazy: [[spoiler:Eve doesn't take Kurosaki's HeelFaceTurn very well...]]
* AwesomenessByAnalysis: Eve analysizes the opponent and can give G Den-O a command of where to attack next with great effect and does the same with his ''Perfect Weapon'' to counter finishers. However, this only works if he's facing one attack at once. [[spoiler: When Eve takes over as G Den-O and goes AxCrazy, he begins doing this on his own.]]
* BlingBlingBang: Out of his Rider form, his main weapon is an elaborate gold revolver, which Daiki attempted to steal in 2008.
* FinishingMove: Although not mentioned in the movie, the Gun Mode's finisher is called World Punish, and the [[CarryABigStick Jutte Mode]]'s is called World End.
* GenderBlenderName: Eve.
* HeelFaceTurn: [[spoiler:Daiki reveals his entire plan was to not only retrieve the treasure he never did steal the last time, but to save Reiji's own 'treasure', a large number of letters from Reiji's mother, who Reiji believed abandoned him. At this reveal, Reiji breaks down and changes his ways...however, Eve goes AxCrazy...]]
* HeelRealization: Reiji has one when [[spoiler:he's given the letters from his mother that were kept from him and realizes she really did care about him, triggering his HeelFaceTurn.]]
* InspectorJavert: Seeks to arrest not just Daiki, but the entire [=DenLiner=] crew as well for their "crimes against time". Once they are captured and subsequently escapes, he and Eve decides to just execute them.
* KillAllHumans: [[spoiler:After Reiji pulls a HeelFaceTurn, Eve goes AxCrazy and decides this is the best way to police time.]]
%%* KnightTemplar
* MeaningfulEcho: When arresting Daiki, he repeats a line that Daiki said to him two years ago, which is what lets Urataros figure out what's going on.
* MissingMom: [[spoiler:And the letters in the box with the golden gun are from her, which is part of the reason Daiki went back to "redo" the theft.]]
* RasputinianDeath: [[spoiler:After Eve goes AxCrazy and becomes G Den-O itself, Reiji gives [=DiEnd=] a K-Touch to become [[SuperMode DiEnd Complete Form]]. He then uses a special card to summon Kamen Riders [[Series/KamenRiderAgito G4]], [[Series/KamenRiderRyuki Ryuga]], [[Series/KamenRiderFaiz Orga]], [[Series/KamenRiderBlade Glaive]], [[Series/KamenRiderHibiki Kabuki]], [[Series/KamenRiderKabuto Caucasus]], [[Series/KamenRiderKiva Arc]], and [[Series/KamenRiderDouble Skull]] to all do their FinishingMove alongside him to destroy G Den-O.]]
* ShoutOut: Rather than a time train, Kurosaki travels through time by appearing [[Franchise/{{Terminator}} crouched low to the ground in a spherical burst of energy]]. [[Series/KamenRiderDragonKnight A sphere with flipping symmetrical light rings...]]
* TheStoic: [[spoiler:Which leads to Eve going AxCrazy when Kurosaki is given the letters from his mother and becomes emotional.]]
%%* SympatheticInspectorAntagonist
%%* TimePolice
* VillainousBreakdown: [[spoiler:When Kurosaki undergoes a HeelRealization and a HeelFaceTurn, Eve snaps, takes over as G Den-O, and goes completely AxCrazy, deciding to KillAllHumans to ensure time is protected.]]
* WeaponOfChoice: [=DenGasher=], but with only two known modes: [[KnifeNut Jutte Mode]] and [[{{Handguns}} Gun Mode]].

!!Piggies Imagin (voiced by Creator/KazuyaNakai, Right Shoulder voiced by Creator/KosukeToriumi, Left Shoulder voiced by Creator/TetsuyaKakihara)

An Imagin based off of ''Literature/TheThreeLittlePigs''. His contract holder is a man named Hiroshi Kikuchi who wishes to be able to impress Airi, whom he made a fool of himself in front of. He attempts to do this by putting Airi into dangerous predicaments for Hiroshi to save her from.

----
* MultipleHeadCase: His shoulder pads have talking faces of their own, which he regards as his younger brothers.
* RescueRomance: This is the wish he must grant; for Airi to be put in danger so that his contract holder can rescue her and look like a "hero".

!!Mantis Imagin (voiced by Creator/MichieTomizawa)

A female Imagin based off of ''The Mantis and the Moon''. Her contract holder is a young woman who seemingly is trying to impersonate another young woman named Miku Uehara in front of Miku's grandmother. In truth, her contract holder is Miku from the future who simply wanted to go back into the past and spend a birthday with her grandmother instead of constantly spending it with her friends.

----
* DualWielding: She wields two sickles shaped like mantis forelimbs.
* SamusIsAGirl: She's initially shown with her body covered by a white sheet, and Momotaros is surprised to learn she's a girl when the covering is removed.
* SetRightWhatOnceWentWrong: Her contract holder's wish is to go back in time and spend her birthday with her grandmother, which she'd put off until it was too late. So the Imagin steals a train pass to allow her to travel back in time.
* SlayingMantis: Her motif is as a mantis, and she's portrayed as pretty fierce and destructive, as well as being introduced as an elusive thief.
* TechnicolorToxin: She can expel a purple gas which poisons whatever it comes in contact with.
[[/folder]]
----

to:

''Jikan no nami wo tsukamaete! (Hold on to the waves of time!)\\
Ima sugu ni yukou yakusoku no basho. (Let's go right away to the promised place.)\\
Genkai mugen, iza tobikome! (Limits are infinite, now jump into it!)\\
[[DancingTheme Climax Jump]]!''

[[foldercontrol]]

[[folder:[=DenLiner=] Crew]]

!!Ryotaro Nogami[=/=]Kamen Rider Den-O
!!!Portrayed by Takeru Satoh and Takuya Mizoguchi
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/ryotaronogami.png]]
[[caption-width-right:200:"I don't have any energy left to faint!"]]

The protagonist and eponymous Kamen Rider, Ryotaro is quite possibly [[CosmicPlaything the unluckiest being on Earth]] (and a high school drop-out supporting his only other family member, his older sister Airi); every day is [[TheChewToy a parade of misfortune for him]]. In the middle of an unusually bad day, he's possessed by a time-travelling monster called an Imagin, meets a strange girl who tells him he's a [[RippleEffectProofMemory Singularity Point]], and said girl and Imagin effectively "railroad" him into becoming Den-O. Even though by his own admission [[TheEveryman he's not exceptionally strong, smart, or brave]], when the chips are down his true strength appears in the form of [[{{Determinator}} unstoppable determination]]. In a way, his horrid luck could be seen as a [[CursedWithAwesome mixed blessing]], since he's been through so much that it takes a lot to really faze or hurt him. He's also [[TheHeart very good at reading people's emotions and true feelings]]; Ryotaro's ultimate strength may lie in his [[AllLovingHero unflappable kindness]]. As the series went on, he started to develop self-confidence, assertion, strength, and bravery, eventually being able to show himself as an independent person and a worthy hero.

----
[[index]]
* {{Adorkable}}: He is shy, soft-spoken and awkward most of the time.
[[Characters/KamenRiderDenOProtagonists Protagonists]]
* AllLovingHero: He is willing to help other people whenever possible.
[[Characters/KamenRiderDenOImagin Imagin]]
* BewareTheNiceOnes: As noted above, it takes a lot to rile him [[spoiler:such as the death of Yuto]], but when it happens, [[TranquilFury you should run]].
%%* {{Bishonen}}
* CallingYourAttacks: [[FinishingMove Hissatsu Waza!]]...um...''Densha Giri''! [[note]]Train Slash![[/note]] The crew's reaction?
--> '''The Crew''': Your naming sense is terrible!
* {{Catchphrase}}: "Let's go, Everyone!" [[note]]''"Minna, ikuyo!"''[[/note]] settled in after he gained Liner Form.
* ClassicalAntiHero: Incredibly clumsy, weak and unlucky, with his saving grace being strong morals and an absolute refusal to compromise them.
* CoolSword: [=DenGasher=] Sword Mode (used a couple of times in Plat Form and once in Liner Form in ''Final Countdown'' when he lost the [=DenKamen=] Sword).
* CosmicPlaything: After seeing the scene where he's whacked in the face with progressively larger balls (as in sports equipment), can you really call him anything else?
* CowardlyLion: He's very afraid the few times he's forced to fight, but he stays anyway because he knows what would happen if he runs.
* {{Determinator}}: Ryotaro's a pushover, but when he wants something, no matter how much you beat him down, he'll keep getting up to get it.
%%* TheEveryman
* FaceHeelTurn: Forced to do so by Yu-Ki in ''Final Countdown'' but is later rescued.
* FinishingMove: Liner Form's Train Slash (''Densha Giri''), which has five variations, four of which depends on the [=DenKamen=] Sword's setting:
** Momo-Sword Mode: ''[=DenKamen=] Slash'' [[note]]A horizontal slash with [=DenLiner=] Gouka's [=AuraLiner=] covering Den-O.[[/note]]
** Ura-Rod Mode: ''[=DenKamen=] Attack'' [[note]]A forward lunging stab with [=DenLiner=] Isurugi's [=AuraLiner=] covering Den-O.[[/note]]
** Kin-Ax Mode: ''[=DenKamen=] Chop'' [[note]]Never shown, but is said to be a forward bashing with [=DenLiner=] Rekkou's [=AuraLiner=] covering Den-O.[[/note]]
** Ryu-Gun Mode: ''[=DenKamen=] Shot'' [[note]]A projectile thrust with [=DenLiner=] Ikazuchi's [=AuraLiner=] covering Den-O. A variation involves the [=DenKamen=] Sword being used as a gun, which fires purple beam projectiles.[[/note]]
** ''Full Throttle Break'': Activated by spinning the turntable one full circle. During the attack, [=DenLiners=] Gouka, Isurugi, Rekkou and Ikazuchi flank on different sides of Den-O.
* FragileSpeedster: Liner Form.
* TheHeart: He's the most kindhearted of the main cast and constantly tries to keep the Taros from hurting others in their bouts of selfishness; this goes from taking issue with Momotaros stealing or demanding money in the first few episodes to claiming it's his responsibility to keep Ryutaros in line and even getting him to ''apologize'' for something late in the series.
%%* TheHero
* HonorBeforeReason: In an early episode, Ryotaro becomes angry with Momotaros for (unwittingly) aiding a robber. Later on he refuses to let Momo fight until he apologizes and promises never to let anything like it happen again. He does this ''in the middle of a battle'' where the Imagin is [[CurbStompBattle beating him senseless]].
* IdentityImpersonator: During the final arc, while stranded in the past, [[spoiler:Ryotaro impersonates ''himself'' in order to find out the secret of his family from his sister.]]
* InTheStyleOf: In addition to singing in all five standard versions of Double-Action, he gains a solo, Rock 'n Roll theme called Real-Action about the same time he gains Liner Form.
* JokeCharacter: Plat Form[[note]]although it's worth noting that stat-wise, [[Series/KamenRiderV3 Riderman]], [[Series/KamenRiderAgito G3 Mild]], [[Series/KamenRiderSkyrider Skyrider's original form]], and [[Series/KamenRiderDouble Kamen Rider Joker]] are weaker[[/note]].
* LockedOutOfTheLoop: [[spoiler:The fact that he's a Singularity Point plays a major role in Sakurai and Airi's plans, which Ryotaro himself doesn't learn until the next-to-last episode, and only then by deceiving a past version of Airi.]]
* ManySpiritsInsideOfOne: In his Climax and Super Climax Forms.
* MasculineGirlFeminineBoy: Feminine Boy to Hana's Masculine Girl.
* MeaningfulName: "Ryotaro" means "good boy".
* TheNthDoctor: After Takeru Satoh left the cast following the third movie, Takuya Mizoguchi (who played 11-year-old Ryotaro in the first) took over the role in the fourth with a HandWave about how changes to the past do this sort of thing all the time.
* ParentalAbandonment: Ryotaro's parents died when he was young, leaving his sister and grandmother to raise him.
* ThePollyanna: A rare male version.
* PowersViaPossession: How Ryotaro is able to access most of Den-O's forms.
* RaisedByGrandparents: He used to live his grandmother when he was young, as mentioned in ''Ore, Tanjou!''
* RippleEffectProofMemory: One of the defining characteristics of a Singularity Point. However, a PlotHole opened when it was revealed in the finale that [[spoiler:Sakurai and Airi's plan erased his memory of their daughter]] in the past. [[spoiler:It was one of Sakurai's cards that erased his memory, but he regained it, for the most part, upon meeting Yuto.]]
* RunningGag: Ryotaro will always...
** [[CosmicPlaything Have bad luck]].
** Suffer the consequences of his Taros' DemonicPossession.
** Have his naming sense mocked. For anything.
* SensitiveGuyAndManlyMan: Sensitive Guy to Yuto's Manly Man.
* ShrinkingViolet: Ryotaro during the beginning of the series was a cowardly type and usually shy.
* SkunkStripe: Whenever an Imagin possesses him, he gets a different color streak in his hair.
* SuperMode: Liner Form, where he gains a special BFS that has the powers of ALL the Taros, and can even summon the [[CoolTrain Den Liner]] to aid in his own unique FinishingMove.
** Played with in that stats reveal that it's actually weaker than other forms in some regards, and he's still a novice fighter in the form.
* SwissArmyWeapon: [[{{BFS}} DenKamen Sword]]; like the [=DenGasher=], it can emulate whatever Den-O weapon the Liner Form is imitating.
* ThisLoserIsYou: He starts out a loser because of his terrible luck and his tendency for being timid, but gets better as he gains more self confidence and determination.
* TimeShiftedActor: Aside from Takeru Sato and Takuya Mizoguchi's [[MyFutureSelfAndMe meeting]] in the first movie, the ending of the third movie shows Kotaro arriving in his timeline, and meeting up with Ryotaro as an old man (who was only seen from the back).
* TookALevelInBadass: After he achieves Liner Form, he comes over as much more serious and determined than at the start of the series.
* YouGottaHaveBlueHair: Any possession by an Imagin changes his hairstyle and adds a touch of color. This even applies when possessed by the evil Ghost Imagin in ''Final Countdown'', turning his hair entirely white.
-----
!!Hana [[spoiler:Sakurai]][=/=]Kohana
!!!Portrayed by Yuriko Shiratori[=/=]Tamaki Matsumoto
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/hana_7.png]]
[[caption-width-right:200:"I can't allow that. I won't let you Imagin kill Den-O."]]
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kohana.png]]
[[caption-width-right:200:As Kohana]]
The mysterious young woman who drags Ryotaro into the battle with the Imagin, providing him with the Den-O Belt and [=DenLiner=]. Hana is the [[LastOfHisKind only survivor]] of a future timeline wiped out by the Imagin, saved only by the fact that she's a Singularity Point like Ryotaro. Because of this, she has a strong dedication to protecting the timeline and a fierce hatred for Imagin, a stance which gradually changes as she interacts with the Taros. She helps Ryotaro investigate the Imagin, and works to keep the Taros in line, usually berating (or [[DopeSlap Dope Punching]]) Momo for being violent or Ura for chasing skirt. As a new connection to Hana's destroyed time forms, she finds herself de-aged into a ten-year-old whom Ryotaro nicknames Kohana (literally "Little Hana") and tries to pass off as Hana's little sister to {{Muggles}}. Her true nature and her relationship to the strange happenings around Ryotaro is revealed late in the series.

----
* ActionGirl: In a case different from the role of most female leads in Kamen Rider, she actually accomplishes things throughout the show, and isn't even afraid of taking on numerous martial artists at once in a fight. It also helps that she has an unusually powerful punch for someone of her frame.
* BadassAdorable: Being turned into a cute little girl does not decrease her physical strength one bit.
* BadassNormal: Powerful enough to knock the Taros out.
* BarrierMaiden: As [[spoiler:the Junction Point]].
* CoolBigSis: Treats Ryotaro this way before being de-aged, although she's still pretty cool and mature in spirit even after that.
* DopeSlap: A master of this trope. Her punches are what help mellow Sieg's arrogant JerkAss-ness.
* KidFromTheFuture: [[spoiler:She's the daughter of Airi and Sakurai.]]
* MamaBear: She is fiercely protective of Ryotaro and often goes out of her way to make sure he is alright. [[spoiler: This becomes a bit [[{{Irony}} ironic]] when she turns out to be his ''niece''.]]
* MasculineGirlFeminineBoy: Masculine Girl to Ryotaro's Feminine Boy.
* MegatonPunch: Gets even more impressive when she becomes Kohana and suffers no drop in power.
* TheNthDoctor: Tamaki Matsumoto for Yuriko Shiratori, which is explained in-series as Hana de-aging from a distortion in time. [[RealLifeWritesThePlot Shiratori left the series due to the stresses of filming.]]
* PerpetualFrowner: When played by Yuriko Shiratori. Not so much when Tamaki Matsumoto took over.
* SmallGirlBigGun: Wields a [[{{BFG}} bazooka]] as her WeaponOfChoice in ''Climax Deka''.
* SuperStrength: Played mainly for laughs whenever she abuses the Imagin, to the point where they're all afraid of her.
* TeamMom: A much less gentle version of this trope, but Hana is the member of the team that keeps all the Imagin in line and worries the most about Ryotaro's health. If not for her, hardly anything would get done.
* TokenMiniMoe: As Kohana.
* TomboyAndGirlyGirl: Tomboy to Naomi's Girly Girl.
* {{Tsundere}}: For the Imagin; normally she makes it very clear how much she hates Imagin and routinely beats up the four Taros for how they treat Ryotaro, but she does care about them deep down. She even cried when [[spoiler:Ura, Kin, and Ryu seemingly vanished]].
* UnlimitedWardrobe: Every time she steps off the [=DenLiner=], she wears a different outfit.
* WaifFu: Exhibited more as Kohana.
-----
!!Naomi
!!!portrayed by Rina Akiyama
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/naomi_91.png]]
[[caption-width-right:200:"Thank you for boarding the Denliner today.Your attendant today is...Me! Naomi!"]]

The [=DenLiner=]'s waitress[=/=]stewardess, Naomi runs the dining car and serves coffee to the Den-O team. She's energetic and unflappable, sticking to her philosophy of only making coffee. She's great friends with the Imagin, often playing with Ryutaros; it was Naomi who named him in the first place. Despite appearing to be little more than a ditzy waitress, Naomi is a fixture of the [=DenLiner=] and has demonstrated resourcefulness and resolve when things look bad.

----
* BigDamnHeroes: Rescues [[spoiler:Kintaros and Urataros in the past, and brings them alongside Sieg to the present for the final battle]].
* CordonBleughChef: She puts salt, pepper, ''flour'', and '''''wasabi''''' in her coffee. The only people who like it are the Imagin. However, this status only applies to her coffee; the food she makes is excellent, if sometimes a bit excessive in volume.
** Oddly, during one episode where Naomi was taking care of Airi's shop, she took a taste of Airi's coffee and had the same reaction people other than the Taros have with her coffee. Kinda calls into question her tastes.
* GenkiGirl: Usually seen with lots of energy and a smile on her face.
* InTheStyleOf: Double-Action Coffee Form, along with Airi = Light Pop.
* PaintedOnPants: With arrows.
* ThePollyanna: Hardly seen without her smile.
* TomboyAndGirlyGirl: Girly Girl to Hana's Tomboy.

-----
!!The Owner
!!!Portrayed by Kenjiro Ishimaru
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/owner_5.png]]

The mysterious man who operates the [=DenLiner=] and works with Hana to protect the timeline. He occasionally imparts cryptic information to Ryotaro, but is primarily concerned with the safety of the [=DenLiner=] and its passengers, leaving the Imagin to Den-O. Mostly laid-back, he can be harsh towards those who break the train's rules, bother his passengers, or attempt to disrupt time. His "hobby" is eating piled foods (such as rice, flan, or pudding) with a flag on top, attempting to take as many bites as possible before the flag falls. Later in the series the cast meets the ''Station Master'' who runs the [=KingLiner=] and is the Owner's rival in the food-flag "game".

----
* BerserkButton: Mess with the rules of the [=DenLiner=] and the normally mellow Owner might slap you with a Denial of Passage ticket.
* BigGood: He's the owner of the [=DenLiner=] and thus decides who can and cannot ride on it, based on whether they have a ticket and if they're obeying the rules. Although he says even he doesn't know everything about time, he certainly knows the most of the main cast and the characters usually go to him if there's a problem they don't understand.
%%* CampGay: The Station Master.
%%* CloudCuckoolander
* EccentricMentor: Eccentric is an understatement for someone whose only concern in life is beating the Station Master at their food-based competitions (or making sure that the flag in the food he's eating doesn't fall.) Despite this he's the one who teaches Ryotaro and Hana the most about the oddities of time.
* EveryoneCallsHimBarkeep: The Owner and the Station Master have no names other than their job titles.
* IdenticalStranger: The Owner and the Station Master, who both look exactly alike save for the Station Master always smiling. They insist it's just your imagination.
* InexplicablyAwesome: He displays some strange supernatural abilities, such as destroying an electrically charged cell with a paper flag, having immunity to Ryutaros' mind control and running so fast he can keep up with the Den-Liner! The character himself receives no backstory whatsoever.
* RunningGag: Because of the above trope, characters who meet both the Owner and Station Master at the same time actually confuse them for twins.
* SeriousBusiness: Food Flags toppling over ''before'' he finishes his food.
* TwinSwitch: It's not clear if he's actually twins with the identical Station Master, but in ''Onigashima Battleship'' [[spoiler:they pull this while "giving" the Oni the [=DenLiner=] so they won't realize that the Owner never actually left the train.]]

-----
!!Momotaros[=/=]Kamen Rider Den-O Sword Form
!!!Voiced by Creator/ToshihikoSeki; suit actor Seiji Takaiwa
[[quoteright:177:https://static.tvtropes.org/pmwiki/pub/images/momotaros_2.png]]
[[caption-width-right:177:"I...have arrived!"]]
[[quoteright:180:https://static.tvtropes.org/pmwiki/pub/images/krd_den_o_7.png]]
The first Imagin to possess Ryotaro, he resembles the red oni from the legend of Momotaro, and his abilities (including those as Den-O Sword Form) are drawn from the same story. HotBlooded and hot-headed, Momotaros is [[BloodKnight always spoiling for a fight]] whether with enemy Imagin or with whomever happens to tick him off at the moment. Initially annoyed when he realized he possessed a Singularity Point, the then-unnamed Imagin sided with Ryotaro when they were attacked by the Bat Imagin on the basis that if Ryotaro died, so did he. After the battle, Ryotaro gave the red oni-esque Imagin the name "Momotaros" after the legend of Momotaro the Peach Boy. While a brash BoisterousBruiser might seem at odds with Ryotaro's normal personality, it's his eccentricies like [[AssKickingPose posing]], [[InTheNameOfTheMoon pre-battle speeches]] and [[CallingYourAttacks calling his attacks]] that makes Den-O resemble more traditional Kamen Riders. Despite his rough attitude, Momotaros is fiercely loyal to his teammates, and seeks to improve Ryotaro by toughening him up and improving his "bad taste".

----
* AnimeHair: A side effect on people possessed by him; their hair stands straight up and has a red streak.
* {{BFS}}: [=MomoSword=].
* BigBrotherInstinct: Eventually develops one for Ryotaro as well as the other Taros, like making sure to get the Anthopper Imagins back for beating up Ryutaros. [[spoiler:He even takes it personally when he thought Ura was EvilAllAlong ([[FakeDefector he wasn't]]).]]
* BloodKnight: Has elements of it at the start, before [[CharacterDevelopment developing]] into a BoisterousBruiser; at first all he wants is to fight, no matter who he's fighting or if they deserved it.
* ButtMonkey: Ryotaro's luck seems to have rubbed off on him, as he's usually the butt of jokes and the biggest source of the series' physical comedy. This is exemplified in the fourth movie; where he's ''literally'' shot in the ass with an arrow.
* BrainBleach: His reaction to learning that [[spoiler:Deneb used Urataros' bath water in the broth that Deneb was serving to the crew.]] Can't really blame Momo. Still, it was just a joke by Naomi.
* CallingYourAttacks: "Hissatsu! My finishing attack...Part (number/____Version)!"
* CatchPhrase:
** "Ore, sanjou!" [[labelnote:English]]''"I, have arrived!"''[[/labelnote]]
** "From start to finish, I'm always at a climax!" [[labelnote:Japanese]]''"Ore wa, saisho kara saigo made, Climax daze!"''[[/labelnote]]
** "Let's go, go, go!!" [[labelnote:Japanese]]''"Ikuze, ikuze, ikuze!!"''[[/labelnote]]
* CharacterTics: Tends to do bombastic poses, most famously the "Ore, sanjou!" pose which consist of pointing at himself on the ''Ore'', then standing with his arms spread at ''sanjou!''. Also, keeping his blade on his shoulder when he's Den-O.
* CoolSword: [=DenGasher=] Sword Mode.
* CriticalResearchFailure: In-universe, PlayedForLaughs.
-->'''Momo''': It's Mt. Fuji!
-->'''Hana''': What are you saying? That's not Mt. Fuji, that's a '''pyramid'''!
* {{Deuteragonist}}: Being the first Imagin and being the exact opposite of the protagonist, he gets the most focus.
* FishOutOfTemporalWater: Twice in the ''Cho Den-O'' series:
** In ''Onigashima Battleship'', while the other Taros were also stranded (in the 30's-40's), they manage to stay together, but Momo, all alone, gets stuck in the distant past, in the very period where the Oni were waging their war against the humans.
** In ''Episode Red'', he gets thrown overboard when the [=DenLiner=] was out of control, getting stranded four months before the events of the movie. He gets taken in and nursed back to health by kindly homeless people.
* FourIsDeath: [[LampshadeHanging Lampshades]] it when Ryotaro points out that he skipped over number 4 in his [[CallingYourAttacks attack-calling]]; Momo claims that he did it because it's cool to skip four, then proceeds to count to ten, jumping from three to five.
* FinishingMove:
** ''Extreme Slash''
** ''[=DenRider=] Kick'': A HurricaneKick. First used in the fourth movie.
* HotBlooded: He's basically a StockShonenHero in the form of an oni.
* IdiotHair: The strand of red hair when possessing Ryotaro literally stands out.
* IdiotHero: [[LampshadeHanging Lampshaded]] through a GilliganCut by ''Series/KamenRiderDecade''.
* IKnowYoureInThereSomewhereFight: in ''Final Countdown'', to Ryotaro/Yu-ki Skull Form, as he's been possessed by the powerful Ghost Imagin and can't control what he's doing.
* IncomingHam: Whenever he proclaims that he's arrived, which he does in the most dramatic way possible.
* InTheNameOfTheMoon: Either of Momo's catchphrases suffices.
* InTheStyleOf: The original Double-Action ([[FanNickname nicknamed]] Sword Form to avoid confusion) = Eurobeat. Climax Jump Sword Form = Hard Rock.
* JackOfAllStats: When in Sword Form possessing Ryotaro.
* JerkWithAHeartOfGold: He's rough around the edges towards Ryotaro at first and continues to bicker among the other Taros, but he still cares a lot about all of them. Even in the second two-parter he shows his good side after apologizing to Ryotaro for taking other people's money while in his body.
* TheLancer: Ryotaro's personality foil, his most frequent partner in battle, and closest to him among the Taros.
* LargeHam: Enjoys doing bombastic poses and being flashy in battle.
* LiteralAsskicking: He's fond of doing this to his opponents, whether it involves his actual feet or even his sword.
* TheNicknamer: Even moreso than the rest of the cast. He calls Urataros "Kame" (Turtle), Kintaros "Kuma" (Bear), Ryutaros "Kozo" (Brat) or "Hanatare Kozo" (Snot-Nosed Brat), Hana "Hanakuso Onna" (Nosy Woman), Sieg "Chicken Wings", Deneb "Odebu" (Tubby) and Teddy "Tendon". He also has a habit of tacking "Yaro" (a rude version of "you", usually rendered as "Jerk" or "Bastard") onto the end of most of his nicknames; in fact, he only refers to enemy Imagin by their species and with "Yaro" tacked on the end, as in "Mogura Yaro" (Mole Jerk)
* RedEyesTakeWarning: People possessed by Imagin have their eyes change color to match; Momo, obviously, makes them go red.
* RedOniBlueOni: The red to Urataros' blue.
* RuleOfCool: What Momo usually tries to go by. His poses and catchphrases aren't exactly necessary in battle, but he insists on them.
* RunningGag: Being mistaken for an Oni. It doesn't help that he was designed that way.
* ScarfOfAsskicking: People possessed by Momo, especially in his ''Decade'' appearances, gain one in addition to red eyes and a spiky hair with a single red streak.
* SmallNameBigEgo: Played for laughs in the ''Imagin Anime'' spin-offs, going so far as to try to make himself Toei's mascot, then throwing a fit when he spots the ''Anime/HeartcatchPrettyCure'' poster nearby.
* SpotlightStealingSquad: After the Yellow movie, Ryotaro wasn't seen in KR [[spoiler: until his glorious return in Zi-O]]. For every future appearance of Den-O, Momotaros took the lead as the main man and voice of Sword Form.
* SuperDrowningSkills: He can't swim.
* TrademarkFavoriteFood: Pudding. He even starts up a pudding shop in ''Imagin Anime''.
* TranslationConvention: Momo's catchphrase "Ore, sanjou!" is a rough way of saying "I have arrived!" (fitting for the Train-themed rider), "Here I am!", or "Here I come!", but most fans just leave it in Japanese because there's no translation that sounds quite right.
* HeroesPreferSwords: Being the first Imagin to bond with Ryotaro and the one used most often, he's the "sword form" for Den O and fittingly has a sword of his own.
* WeWantOurJerkBack: The whole "Gold Gentleman Coffee" incident; Ura was so weirded out that he prefers the old Momo over the gentlemanly one.
* WhyDidItHaveToBeSnakes: Is afraid of dogs.
* WolverinePublicity: Momotaros has the most screentime out of any of the Imagin, which becomes especially noticeable in the movies--in fact, Momotaros occasionally gets more screentime than ''Ryotaro'', becoming Den O Sword Form without him. He is of course the most merchandisable character in the series.

-----
!!Urataros[=/=]Kamen Rider Den-O Rod Form
!!!Voiced by Creator/KojiYusa; suit actor Eitoku
[[quoteright:203:https://static.tvtropes.org/pmwiki/pub/images/den_o_urataros.jpg]]
[[caption-width-right:203:"Mind if I reel you in?"]]

The second Imagin to possess Ryotaro, his appearance and abilities (both as himself and Den-O Rod Form) come from Ryotaro's mental image of the myth of Urashima Taro who rescues a magic turtle who later takes him to the court of Ryujin, the dragon god of the sea. In stark contrast to the fight-happy Momotaros, Urataros is laid-back, non-confrontational, and clever. A ConsummateLiar, Ura can talk anyone into just about anything; since he's an enthusiastic skirt-chaser, he can often be found using his talent to charm the socks off of any cute girls he meets while possessing Ryotaro. He was aware that Ryotaro was a Singularity Point, and willingly possessed him in the hopes of extending his lifespan and meeting women. Because of his non-confrontational nature, Rod Form is the least used of Den-O's forms, but Ura's skills come in handy when they need to gather information about a rogue Imagin - that is, provided Hana can keep his mind on the task at hand...

----
* AnimalMotifs: [[TurtlePower Turtle]]. He even thinks it's personal when another turtle-based Imagin appears to steal his limelight.
* ArmedLegs: Climax Form's Kick Mode.
* BladeOnAStick: [=DenGasher=] Rod Mode. [[EpicFlail It also doubles as a fishing rod.]]
* BusmansVocabulary: He constantly speaks in fishing metaphors.
* CatchPhrase: "Mind if I reel you in?" [[labelnote:Japanese]]''"Boku ni Tsuraretemiru?"''[[/labelnote]]
* CharacterTics: Holds his left hand near his face, as if he's holding something.
* ChivalrousPervert: He lies constantly, especially to women, but he also refuses to hurt women in battle and seems to view his lying behavior as helping to give them a better time more than anything.
* ConsummateLiar: In addition to his own skills, he claims his goal is to teach Ryotaro to be a better liar.
* DoubleWeapon: [=UrataRod=].
* FakeDefector: Pulls this off in [[spoiler:the final story arc]]. He pulls it off really well, too, thanks to his [[ConsummateLiar nature]].
* FinishingMove: ''Solid Attack'', followed by ''[=DenRider=] Kick''.
* GuileHero: A liar and a trickster, but still has a good heart.
* InTheStyleOf: Double-Action Rod Form and Climax Jump Rod Form = Ska.
* TheNicknamer: Calls Momotaros "[[SempaiKohai Sempai]]" (because Momo insisted) and refers to most people affectionately ("Kin-chan", "Naomi-chan") unless they've earned his respect ("Hana-san", "Airi-san"). He calls Yuto "Boku-chan" (a very childish way of saying "me") as a reference to the young man's selfish nature.
* RedOniBlueOni: The blue to Momotaros' red.
* SexyManInstantHarem: He was able to woo all of the nurses while in the hospital, and him walking into the carnival gets all the girls to squeal and rush toward him.
* TheSmartGuy: He is non-confrontational, does not want to fight more than necessary, can talk his way out of any tricky situation and is the go-to guy for gathering information.
* SpitTake: Gave a particularly infamous one when Ryotaro decided to have another Imagin join the team. It's particularly of note because his character suit doesn't have an articulate jaw.
* StoicSpectacles: People possessed by him gain these in addition to the blue eyes and streak in their hair.
* StoneWall: His fighting style is the most defensive out of all the Taros.
* SuperNotDrowningSkills: As opposed to Momotaros. Justified that he's based on a turtle, who are good swimmers.
-----
!!Kintaros[=/=]Kamen Rider Den-O Ax Form
!!!Voiced by Creator/MasakiTerasoma; suit actor Jiro Okamoto
[[quoteright:324:https://static.tvtropes.org/pmwiki/pub/images/den_o_kintaros2.jpg]]
[[caption-width-right:324:"My strength has made you cry!"]]

The third Imagin to possess Ryotaro, inspired by the legend of Kintaro who would sumo wrestle bears, which also extends to Den-O Ax Form. Initially contracted to a sickly martial artist named Masaru Honjou, whose wish to achieve the "ultimate karate". Much to Ryotaro and Hana's surprise, the Imagin actually stuck to the contract, training Honjou's body while in control and showing no interest in disrupting time. Ryotaro recognizes his nobility after he's mortally wounded protecting Honjou from the Rhino Imagin and offers a contract in order to save his life. The strong, silent Kintaros usually [[HeavySleeper sleeps the day away]] until someone [[BerserkButton presses his button]] by saying the word "Nakeru" (Japanese for "cry")...or anything even remotely ''sounding'' like "Nakeru", which causes him to possess Ryotaro instantly, unceremoniously booting out anyone already possessing him. Out of all the Taros, Kin is the nicest and friendliest, showing an uncharacteristic amount of real emotion for an Imagin.

----
* AnimalMotifs: Bear.
* TheBigGuy: He's considered to be physically the strongest in the group, as he's constantly breaking things by accident, and specializes in being a heavy-hitter.
* BenevolentGenie: Unlike near every other Imagin in the series, Kintaros not only upheld the spirit of Honjou's wish, as opposed to the letter, he only completed the contract early in order to go back in time and protect him from the Rhino Imagin.
* BerserkButton: DON'T EVER make a girl cry.
* BoisterousBruiser: Not violent like Momo, but still loves a good fight.
%%* BruiserWithASoftCenter
* CallingYourAttacks: In an odd variation, he only says the name of his FinishingMove ''after'' performing it, which Ryotaro [[LampshadeHanging specifically notes]] the first time he does it.
* CatchPhrase: "My strength has made you cry. Wipe your tears with this!" [[labelnote:Japanese]]''"Ore no tsuyosa ni omae ga naita! Namida wa kore de fuitoke!"''[[/labelnote]] Sometimes shortened to just "My strength has made you cry!" or just "You cried!" [[labelnote:Japanese]]''"Nakerude!"''[[/labelnote]]
* CharacterTics: Pops his neck by pushing a hand (or sometimes a finger) against his chin. The BadassArmFold is his default pose.
* CherryBlossoms: Parodied, as occasionally the transformation into Ax Form will be accompanied by fluttering...''tissues''. "Wipe your tears", indeed.
* TheDitz: You have to wonder about the sort of person who mistakes Sumo for Karate and doesn't realize what he's done until ''children'' explain it to him.
* DoesNotKnowHisOwnStrength: He isn't built for normal human behavior. Coupled with Ryotaro's already bad luck, and accidental collateral damage is common.
* EveryoneHasStandards: In his introductory episode, Kintaros is willing to fight anyone who stands in his way, but he will not cause collateral damage or [[WouldntHitAGirl hurt women]]. Plus, he was willing to catch criminals for the police in the following episode.
* FinishingMove: ''Dynamic Chop''.
* GentleGiant: The Taros with the most bulk, and the biggest heart.
* HammerSpace: He can pull tissues out of thin air, apparently.
* HeavySleeper: And narcoleptic to boot; since he's a bear, this presumably represents hibernation. The only way to wake him up is by activating his BerserkButton.
* HonorBeforeReason: Demonstrated in his ADayInTheLimelight two-parter where he puts aside fighting the MonsterOfTheWeek in order to prove to a young girl that she's wrong in thinking her father hates her, and he's willing to be kicked off the [=DenLiner=] in order to prove it. [[spoiler:Thankfully, he's right about the father, and the changes Kintaros caused mean the Imagin never became a threat, so the Owner let him stay.]]
* ImplausibleDeniability: When the Owner once said that Kintaros' snoring is a problem, Kintaros wakes up just to deny it.
* InTheStyleOf: Double-Action Ax Form and Climax Jump Ax Form = Enka.
* KansaiRegionalAccent: He speaks in the Kansai dialect, given that his actor Creator/MasakiTerasoma grew up in Osaka.
* TheKlutz: Seen moreso when he's possessing Honjo and Ryotaro than in his natural form.
* ManlyTears: His catchphrase is "You'll cry!", and he tends to shed said tears whenever Ryotaro (or anyone else, for that matter) displays any kind of notable strength or determination.
* MightyGlacier: He relies on his toughness instead of speed in battle.
* TheNicknamer: Calls Momotaros "Momonoji" (Peach), sometimes mispronouncing it as "Momonga" (Flying Squirrel) or "Momohiki" (Long Underwear); calls Urataros "Kamenoji" (Turtle). Note that the -oji suffix actually refers to them as "sir" in the sense of an old man in the same way that Urataros refers to Momotaros as "-sempai".
* NobleDemon: The only one of the Taros to not start off as a VillainProtagonist.
* NoodleIncident: Destroying the [=DenLiner=]'s bathtub, causing Urataros to be swept away. It actually happened in-series (mentioned in passing as a background discussion), but we never see the details on-screen.
* ToBeAMaster: His desire to be the strongest warrior presumably comes from his original contractor Honjo.
* WeaponOfChoice: The Den-Gasher's [[AnAxeToGrind Axe Mode]].
%%* WrestlerInAllOfUs
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!!Ryutaros[=/=]Kamen Rider Den-O Gun Form
!!!Voiced by Creator/KenichiSuzumura; suit actor Toshihiro Ogura
[[quoteright:301:https://static.tvtropes.org/pmwiki/pub/images/den_o_ryuutaros2.jpg]]
[[caption-width-right:301:"Mind if I defeat you? I can't hear your answer!"]]

The fourth Imagin to possess Ryotaro and the last member of the "Taros", making up the core team; unlike the others, there is no mythical "Ryutaro" on which he was based, and is instead formed from Ryotaro's mental image of dragons. Appearing last, he was actually the second to possess Ryotaro, as revealed in flashbacks to Urataros' debut episode, and subsequently buried himself deep in Ryotaro's psyche, only being revealed during a hypnosis session instigated by Miura. At first he wants to kill Ryotaro, having been given an unrevokable Liner Pass and told that he can take over the [=DenLiner=] if he destroys Den-O. However, he falls in love with Airi and abandons his mission when the others point out that killing her brother would upset her. Childish and willful, Ryuta is the strongest of the Taros, and usually can't be "booted" from Ryotaro's body unless Momo, Ura, and Kin work together. His brash attitude causes a lot of problems normally and in battle as Gun Form, causing lots of collateral damage. He loves animals and dancing, and has the power to [[CrowdSong make people dance with him]] by snapping his fingers. His crush on Airi and bad advice from Kintaros caused him to develop a jealous hatred towards Yuto, which causes even more problems.

----
* AnimalMotifs: Dragon
* {{BFG}}: Ryuvolver.
* BreakTheCutie: In episodes 37-38, Ryutaros gets confronted by Kai who [[spoiler:tricked Ryutaros into almost destroying [=DenLiner=], and at the same time, made him give up on his crush on Airi after she realizes that a Ryutaros-possessed-Ryotaro isn't really her brother. Made all the worse because Ryutaros was trying to give Airi a picture he made of her and couldn't; the end of the episode has him smoothing it out as he cries away from the others. Poor guy.]]
* CatchPhrase: "Mind if I (something)?", most commonly "beat you" or "end it", followed by "Can't hear the answer!" [[labelnote:Japanese]]''"Kotae wa kiitenai!"''[[/labelnote]]
* CharacterTics: Spinning around during his CatchPhrase, followed by GivingSomeoneThePointerFinger.
* CheshireCatGrin: If he possessed Ryotaro and he holds a grin, RUN. If you don't, then there is a chance that he is going to chase you down with his dance posse and will not stop until he catches you!
* CrazyJealousGuy: He adores Airi and gets upset whenever Yuto is involved.
* CrowdSong: A rare [[JustifiedTrope justified]] version since he can force other people to dance with him, in the process making them his minions. Sometimes he uses dances to chase people down.
* CutenessProximity: He ''loves'' cute little animals, sometimes possessing Ryotaro just to pick up an animal and cuddle them.
* DanceBattler: When fighting, he moves around as if dancing.
* DestructiveSavior: He means well, but let's just say his aim is ''terrible''.
* DragonRider: When Ryuta drives the [=DenLiner=], he controls it from on top of the Ikazuchi (Car #7)'s dragon head, rather than the cockpit in Gouka (Car #1) as the other three Taros do.
* FinishingMove: ''Wild Shot''.
* FriendToAllLivingThings: He loves all types of animals, particularly kittens, puppies and birds.
* FunnyBackgroundEvent: He's pretty much a walking one. No matter how serious the scene happening in the foreground is, if Ryutaros is around, more often than not he's dancing around in the background or doing something childish like drawing pictures. [[CloudCuckoolander Naomi]] is known to join him on occasion.
* GangstaStyle: Likes to wield his gun sideways in Gun Form.
* GlassCannon: Was originally the LightningBruiser before Wing Form was given that role.
* TheGunslinger: Although if in dire situations, he can resort to PistolWhipping.
* {{Handguns}}: [=DenGasher=] Gun Mode.
* IconicItem: His BubbleGun. [[spoiler:Becomes a ChekhovsGun when it's one of the items that Kintaros gives to Ryotaro to complete their contract.]]
* IDontWantToDie: Nearing the finale, Ryutaros isn't anywhere to be seen, and Momotaros just says it's only him and Ryotaro now. A deleted scene reveals that this was because [[spoiler:Ryutaros was afraid to disappear, which he'd have to do if Ryotaro succeeded in stopping Kai, and he was cowering in the [=DenLiner=]. Naomi comforts him, and this is how he musters up the courage to help in the final battle.]]
* ImTakingHerHomeWithMe: Ryuta loves animals, and has a habit of bringing them back to the [=DenLiner=]. This is actually how the cast is introduced to Sieg.
* InTheStyleOf: Double-Action Gun Form and Climax Jump Gun Form = Hip-Hop. Climax Jump Hip-Hop Version. In addition, he also gets to rap in several songs like Climax Jump [=DenLiner=] Form.
%%* KidAppealCharacter
* LaserGuidedTykebomb: Kai told him to kill Ryotaro and gain control of the [=DenLiner=]. Ryutaros decided not to do so due to his love for Airi.
* LoveHurts: He did not take losing Airi to Yuuto well at all...
* LoveRedeems: Decides not to kill Ryotaro after realizing that his death would make Airi cry.
* MacrossMissileMassacre: Climax Form's Boistous Shot.
* MurderTheHypotenuse: His response to learning that Airi loves Sakurai is to go after Yuto and try to kill him. It doesn't help that ''Kintaros'' advised him how to win Airi's heart, by saying that a woman is attracted to a man's strength.
* NiceHat: Whenever he's possessing someone to go along with the wavy bangs and purple streak in the hair.
* TheNicknamer: Calls Urataros "Kame-chan" and Kintaros "Kuma-chan". Since Momotaros isn't based on an animal, Ryuta just calls him "Momotaros" without {{Honorifics}}, which annoys Momo.
* PetTheDog:
** He confronted the Dance Posse and asked them if they were the reason that the animals being fed in the park got frightened.
** He realizes that the Owl Imagin's rampage in the past will cause the puppy cared for by its contractor to die, and resolves to fight the Imagin full-force.
* PsychopathicManchild: Whenever he possesses Ryotaro, he somehow holds some kind of glee in chasing people down for no apparent reason. And for a while, he thought the best way to win Airi's heart was to get rid of Yuto and this was shown most prominently in a picture he drew (which depicts Den-O Gun Form blowing a giant bloody hole through Zeronos' chest). The biggest offender would be in Climax Deka, where he starts whipping out the handcuffs to any person who just ''looks'' like he'd be part in an Evil Organization.
* PurpleIsPowerful: Initially treated as the strongest of the four core Imagin, to the point that the other three had to work together to push him out of Ryotaro's body.
* ShouldersOfDoom: Gun Form.
* SummonBackupDancers: Being in a deserted location is no obstacle to his CrowdSong abilities.
* VagueAge: It's impossible to tell what age any of the Taros are, since they get their physical forms from Ryotaro's imagination, but Ryutaros in particular appears to be a child, and is regarded as one by the other Taros. How mature he actually is varies--a lot of his behavior and mannerisms point to him being a young child, but he also identifies with other teenagers (like his dance posse.)
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!!Sieg[=/=]Kamen Rider Den-O Wing Form
!!!Voiced by Creator/ShinichiroMiki; suit actor Naoki Nagase
[[quoteright:177:https://static.tvtropes.org/pmwiki/pub/images/sieg_1.png]]
[[caption-width-right:177:"Advent, to the top..."]]

An arrogant swan Imagin, inspired by the story of ''Theatre/SwanLake'' and it's male protagonist, Prince Siegfried, specifically. He possessed a rich heiress, but because she was pregnant at the time, he possessed her unborn son immediately after. Sieg first came into being following the child's birth, referring to mother and child as his family. He was brought to the [=DenLiner=] crew's attention when Ryutaros brought him onto the train. His arrogant demeanor rubbed everyone the wrong way until Hana punched some sense into him, at which point he began calling her "Princess" and started gradually referring to the others as family rather than servants. He allows Den-O to assume the exceptionally powerful Wing Form, but because his contract was formed with a child, whose memory isn't as strong as an adult's, he begins "fading". Ryotaro discovers a loophole in that Sieg had previously completed a contract with the heiress (who wished for her baby to be born safely, which he was,) allowing him to travel to her past and exist peacefully; despite this development, he shows up in critical moments such as the series finale and the movies.

----
%%* EleventhHourRanger
%%* AgentPeacock
* AloofAlly: Inverted; he's actually ''willing'' to lend a hand to the [=DenLiner=] crew whenever and however he can, but most of the time the Taros (especially Momo) don't want anything to do with him.
* AnimalMotifs: [[SwansASwimming Swan]].
%%* ArrogantKungFuGuy
* AnAxeToGrind: [=DenGasher=] Handaxe Mode (made from the Axe and Gun parts).
* ButtMonkey: Perhaps as a result of audience reaction towards him. In later appearances, Sieg is treated with comedic levels of contempt by the other Taros, probably due to his acerbic personality.
* CampStraight: Obsessed with "beauty" but has feelings for Hana.
* CatchPhrase: "Advent! To the top!" [[labelnote: Japanese]]''"Korin! Man wo Jishite!"''[[/labelnote]]
* CulturedBadass: He's based on a prince, and his form is the most powerful of Den-O's basic forms.
* DemonicPossession: Though hardly unique to him, as an Imagin, Sieg's possessions are exceptionally powerful. Whether it's from his being "born" in the present or by sheer force of will, Sieg is near ''impossible'' to remove from Ryotaro once he has possessed him. Even when the other Taros are unable to possess Ryotaro due to amnesia, Sieg was able to do it just fine.
* DeusExitMachina: Wing Form is Den-O's most powerful basic form, and writers have made sure that his use was a rarity. The situation is inverted in ''Ore, Tanjou!'' where Sieg is the only Imagin available for a good portion of the movie [[spoiler:(Ura and Kin were held captive, Ryuta was temporarily convinced by Gaoh to his side, and Momo couldn't synchronize with Ryotaro because the latter has amnesia)]]. Played straight again later, where Sieg is the only Den-O that isn't present in the movie's climax, although no explanation was given for that [[spoiler: since Yuuto could have just kidnapped a Sieg-possessed Ryotaro for the battle]] except perhaps being injured after getting hit by Gaoh's Tyrant Clash as Den-O.
* DualWielding: Uses a weapon each composed of two pieces of the [=DenGasher=].
* FinishingMove: ''Royal Smash''.
* TheFriendNobodyLikes: Most of the time, everyone sans Ryutaros seems reluctant whenever he appears.
* IncredibleShrinkingMan: Has the power to make people shrink to action figure-size by saying "Bow your head!"[[labelnote: Japanese]]''"Zu ga Takai!"'', lit. "Your head is high!"[[/labelnote]] The Imagin Anime gives him "Super Bow Your Head", which shrinks ''the whole world''.
* InTheStyleOf: Double-Action Wing Form = Arabic Pop
* ItsAllAboutMe: "The world revolves for my sake."[[labelnote:Japanese]]''"Sekai ga watashi no tame mawaru."''[[/labelnote]]
* JerkWithAHeartOfGold: Despite his superiority complex and belief [[ItsAllAboutMe the world revolves just for him]], he's actually a really good person at heart. The problem is just that the other Imagin don't want anything to do with him.
* LightningBruiser: Wing Form moves significantly faster than most of the other forms, and is also Den-O's most powerful basic form.
* LoveAtFirstPunch: Towards Hana.
* {{Nerf}}: An in-universe one, his power and memory is weakened considerably due to his contract holder being a child. Taking into account how strong he still is, he would be unbelievably powerful if properly contracted to an adult.
* OddNameOut: Unlike the other four [=DenLiner=] Imagin, not only does his name doesnít end with "Taros", but it also doesnít reference a Taro of Japanese folklore.
* PerpetualMolt: Feathers appear whenever he makes an entrance.
* PowerGivesYouWings: Especially in Super Climax Form.
* PrecisionGuidedBoomerang: [=DenGasher=] Boomerang Mode (made from the Sword and Rod parts).
* PutOnABus: In series, this is justified due to how weak the imagination of the person he is contracted to is - however, he does return for the finale. In-franchise, his last appearance was in Episode Blue of the Chou Den-O trilogy. He hasn't been seen since - not even in ''Let's Go Kamen Riders'', which brings back all but a handful of the other riders (including all the ones from ''Den-O'').
* SpellMyNameWithAnS: Some databooks list his name as '''Z'''ieg.
* StealthHiBye: In ''Final Countdown'', he disappears during the Imagins' attempt to protect the Japanese village from Shiro's mercenaries, but later reappears for the climax much to everyone's surprise.
* TheThingThatWouldNotLeave: For the [[Series/KamenRiderDecade Hikari Studio]]. Only [[CloudCuckooLander Eijiro]] wants him around, and it's for taking pictures anyway.
* TrueCompanions: Constantly refers to the other Imagin as "family", much to Momo's chagrin.

[[/folder]]

[[folder:Civilians]]

!!Airi Nogami (portrayed by Wakana Matsumoto)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/airinogami.png]]

Ryotaro's older sister and the owner of the Milk Dipper library cafe. She was forced to help raise Ryotaro after the death of their parents and thus often seems wise beyond her years. She's also very close to Ryotaro, worrying about his well-being and trying to help out with health drinks and herbal concoctions. The beautiful Airi enjoys good business mostly thanks to the [[UnwantedHarem horde of lovestruck men]] who pack the shop from opening to closing. For her part, Airi remains [[ObliviousToLove completely oblivious]], her only passions seeming to be stargazing and brewing the perfect cup of coffee. One year prior to the series' start, Airi's fiance Yuto Sakurai vanished a month before the wedding; initially Ryotaro thought she hid her pain behind a smile, but to his great concern she seems to have completely forgotten about Sakurai, seemingly not even remembering why she has his beloved telescope in the shop (but still gazing at it fondly) and not realizing that the pocketwatch he gave her rests beneath it.

----
* BewareTheNiceOnes: In one episode, Ryotaro offends Airi by calling in a hazmat team to dispose of one of her "healthy" concoctions; her response is to throw things at him, culminating in his own '''bicycle'''.
%%* CoolBigSis: More like Sweet Big Sis, actually.
* CordonBleughChef: Her energy drinks and herbal cures are...well, read the "BewareTheNiceOnes" entry above. However, her coffee is exceptional, which makes her something of a counterpart to Naomi.
* DistressedDamsel: ''Episode Red'' invokes this, since this is the condition of the contract between the Piggies Imagin and the [[VictimOfTheWeek Victim of the Movie]]: to put Airi in a dangerous situation so that he would be the one to rescue her, also invoking RescueRomance.
* TheDitz: She sometimes projects this. In the episode where Ryotaro is being held hostage, she doesn't even seem to notice. When Ozaki and Miura press the issue, she decides to do something...prepare special hostage snacks for him. Cue the entire male clientele of the Milk Dipper [[FaceFault Face Faulting]].
* DudeMagnet: Her customers are mostly male, and quite a number of named characters are attracted to her.
* InTheStyleOf: Double-Action Coffee Form, along with Naomi = Light Pop. [[https://www.youtube.com/watch?v=DHtLUnjCFfU No, seriously]].
* LaserGuidedAmnesia: Inflicted [[spoiler:willingly in order to protect the identity and location of the Junction Point.]]
* ObliviousToLove: She seems to be utterly unaware of how much attention she gets from her (all male) clientele, including from the dogged Ozaki and Miura.
%%* ThePollyanna
* RedHerring: As [[spoiler:the identity of the Junction Point. It's not her, it's the child she will eventually bear]].
* StarCrossedLovers: She's separated from her fiancé Sakurai, and seemingly loses her memories of him, for complicated reasons. This is referred to in Zeronos' motifs.
* UnwantedHarem: Not unwanted so much as [[ObliviousToLove completely unnoticed]].
* YamatoNadeshiko: Pretty, caring, an excellent cook, and '''completely''' unflappable. Upon being told that Ryotaro was being held hostage by an armed robber, her immediate reaction was to go back to preparing coffee. The wisdom part is thus: [[spoiler:she's been in on her fiancée's {{plan}} from the beginning, and allowed her own memories to be altered in order to protect the Junction Point, their future daughter Hana. And she's known from the start that "Ryo-chan" was Den-O, and that his friend Yuuto is the time-displaced teenage version of her fiancée.]]
-----
!!Seigi Ozaki (portrayed by Akira Nagata)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/seigiozaki.png]]
One of the Milk Dipper regulars, Ozaki is a journalist for a Kasutori Magazine who's always on the lookout for a new scoop. He's also a major flirt, chasing women since a crush on his first-grade teacher and using his job to try and pick up chicks. However, he's most devoted to chasing Airi, trying to impress her with his connections while sparring with Miura. He's friendly towards Ryotaro, styling himself as the younger boy's future brother-in-law and sometimes sharing stories that, unbeknownst to him, reveal information about Imagin attacks.

----
%%* HandsomeLech
* RegularCaller: If Momo's the go-to guy for Imagin attacks, Seigi is the one the gang turns to for information on the VictimOfTheWeek.
%%* ThoseTwoGuys: With Miura.
-----
!!Issē Miura (portrayed by Ryo Ueno)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/issemiura.png]]
A self-proclaimed "super counselor" and Milk Dipper regular who feuds with Ozaki for Airi's affection, but is more introverted. Ozaki often tries to undermine Miura by making his interest in the occult look like superstitious nonsense, while Miura counters by pointing out Ozaki's wandering eye. He's also nice towards Ryotaro, and shows a good deal of concern for his well-being. After witnessing a battle between Momo and Ura for control of Ryotaro's body, Miura becomes convinced that Ryotaro is possessed and tries to help exorcise him, only to accidentally reveal the existence of Ryutaros.

----
* IgnoredExpert: In regards to the Imagin, at least until Airi and Ozaki meet them in ''Climax Deka''.
%%* ThoseTwoGuys: With Ozaki.

[[/folder]]

[[folder:[=ZeroLiner=] Crew]]

!!Yuto Sakurai[=/=]Kamen Rider Zeronos

Because of the time-traveling nature of ''Series/KamenRiderDenO'', two versions of Yuto Sakurai exist as independent and distinct characters. Here, as in most media, they will be distinguished by their names, "Yuto" referring to the younger version and "Sakurai" to the older.

!!! Yuto (portrayed by Yuichi Nakamura)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/yutosakurai.png]]
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kr_zeronos.png]]
-->"Let me say this to start: I am fairly strong!"

The teenaged version of Yuto Sakurai, as well as the warrior Kamen Rider Zeronos and the partner of the Imagin Deneb. Yuto initially appears after Ryotaro gets too close to Sakurai, warning the soft-hearted young man not to interfere, believing that protecting the timestream is different from protecting individuals, unlike Ryotaro. The brash, hot-tempered Yuto stands greatly at odds with Ryotaro's memories of a gentle, kindly, brotherly Yuto Sakurai, but according to the Owner, the two are indeed one and the same. He also acts childish at times, preferring his coffee overloaded with sugar, despising ''shiitake'', and enacting comedic violence upon Deneb whenever the Imagin annoys him. Contact with Ryotaro and the [=DenLiner=] crew tempers Yuto's harsh personality as well as maturing him. The exact nature of his Zeronos powers are explained in tragic detail later in the story.

----
* AngerBornOfWorry: In the finale, [[spoiler:upon seeing Deneb alive again, Yuuto was about to seemingly attack him again, only to fall into tears in Deneb's arms.]]
* BadassNormal: He's not a Singularity Point like Ryotaro, but is able to fight as himself using Altair Form long before Ryotaro manages to do the same thing with Liner Form.
* BokeAndTsukkomiRoutine: Tsukkomi to Deneb's Boke.
* BroughtToYouByTheLetterS: (A)ltair and (V)ega, which is visible on both their corresponding Zeronos cards, the [=ZeroLiner's=] cars, and their {{Finishing Move}}s.
* CatchPhrase: "Let me say this to start: I'm pr-e-tty strong!" [[labelnote:Japanese]]''"Saisho ni itte oku! Ore wa ka~na~ri tsuyoi!"''[[/labelnote]]. On a couple of occasions, Yuto replaces the second part with "I'm pretty ticked off!"
* CatchphraseSpoutingDuo: Oftentimes, with Deneb.
* CharacterTics: GivingSomeoneThePointerFinger ("Let me say this to start! I'm pr-e-tty...") followed by the BicepPolishingGesture ("...Strong!").
* DeadlyUpgrade: [[spoiler:The Zero Form cards.]]
* DefrostingIceQueen: A male example. Yuuto started the series as a cold jerk and was occasionally quite rude to Ryoutarou. He gradually warmed up to him, and by the end of the series, they had become true friends.
* DeusExitMachina: Hospitalized, and therefore absent, for a good portion of ''Final Countdown'' after TakingTheBullet for Kohana, but reappears just in time for the climax. In ''Onigashima Battleship'', the alteration of the timeline causes him to be erased from reality, again.
* DidNotGetTheGirl: At least not yet anyway. Much of the Episode Red movie dealt with the fact that Airi can't love the current Yuto the same way she did Sakurai (although the existence of Hana in a younger form implies that the two will eventually get together; presumably once Yuto matures into someone more like Sakurai).
* DoesNotLikeSpam: Shiitake Mushrooms.
* FinishingMove:
** [=ZeroGasher=]: While Zeronos is in Altair Form, both of this weapon's mode's finishers take on the form of a green A.
*** Bowgun Mode: ''Grand Strike''
*** Sabre Mode: ''Splendid End''
** Denebick Buster: ''Buster Nova''
* FuelMeterOfPower: He has a very limited suppy of henshin cards and has to make his transformations count.
* HeroicWillpower: While Ryotaro can't manifest any decent Den-O forms by himself (until Liner Form), Yuto's stronger will allows him to assume Zeronos Altair Form without the aid of an Imagin.
* HiddenHeartOfGold: [[spoiler:Comes with the revelation about the Zeronos Cards, explaining that Yuto acts rude to keep people distant.]]
* HoldingBackThePhlebotinum: With good reason.
** And, apparently, Sakurai himself has a good reason for giving power with such a drawback in the first place. [[spoiler:Erasing [[HeroicSacrifice his (Sakurai's) own existence]] allows Yuto to [[ScrewDestiny write his *own* history]] (in another timeline, anyway).]]
* InTheStyleOf: Action-Zero = Rock. 2010 Version = Soft Piano.
* JackOfAllStats: Altair Form, one of the forms Yuto can assume.
%%* JerkWithAHeartOfGold
* LightningBruiser: Zero Form, one of the forms Yuto can assume.
* MaamShock: Delivers one to Mach during the events of ''Super Hero Taisen GP''.
--> "Don't call me Old Man!"
%%* MyHeroZero
* ImNotHereToMakeFriends: Non-reality show example; he says this outright when Deneb suggests he work with the [=DenLiner=] crew.
* PickyEater: He dislikes shitake mushrooms. [[spoiler:The fact that he's eating them at the finale, after believing that Deneb vanished after the BigBad's defeat shows just how much Deneb means to him.]]
* PowersViaPossession: Unlike Den-O, only one of Zeronos' forms requires Deneb to possess him to access it.
* SensitiveGuyAndManlyMan: Manly Man to Ryotaro's Sensitive Guy.
* SignificantReferenceDate: When Yuto first makes his debut in the series, he's holding a ticket for May 27th, 2007. Go on, guess the airdate of that episode.
* SweetTooth: Yuto really likes his coffee sweet, to the point where he puts '''way''' too much sugar in.
* SwissArmyWeapon: [=ZeroGasher=]. The Sabre Mode is a {{BFS}}, Bowgun Mode is TheStraightAndArrowPath, and Denebick Buster is a TalkingWeapon.
* WrestlerInAllOfUs: His way of dealing with Deneb's antics.

!!!Sakurai (portrayed by Tomonobu Okano)
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/past_man.jpg]]

Airi's fiance and Ryotaro's future brother-in-law, Sakurai was a gentle, kind-hearted man with a passion for astronomy he shared with Airi. The two were very much in love, and Sakurai treated Ryotaro like the little brother he never had; thus, Ryotaro's surprise when Sakurai disappeared just before the wedding is understandable, as is his confusion at the fact that nobody seems to remember his existence. Several times in the early part of the series, a cloaked man appears watching Den-O's battles in the past and checking a pocketwatch; by accident, Ryotaro bumps into the man and recognizes him as Sakurai. He attempts to track down the man, only to be warned off by Yuto.

----
* BadassLongcoat: Does not show his face, but he fights well.
* BigBrotherMentor: Ryotaro implies he was one, as one of his first conversations with Yuto is to explain the values that he taught him (namely, that even if he has awful luck and isn't very strong, it's not an excuse to do nothing.)
* BigDamnHeroes: When Den-O and Zeronos were having trouble with TheDragon, Sakurai himself steps up to help them in battle, assuming Altair Form.
* ChekhovsGunman: He shows up, face concealed, at the scene of Imagin battles long before Ryotaro encounters and puts a name to him. He's also hinted at via Ryotaro telling Airi that she "shouldn't forget" in an early episode regarding a woman who wanted to forget her former love.
* GuileHero: [[spoiler:Orchestrates a complex plan in order to protect his future daughter]].
* ThePlan: [[spoiler:Most of the show's plot is predicated on a plan by Sakurai and Airi to protect their daughter Hana from the Imagin.]]
* StarCrossedLovers: With Airi, as referenced by Zeronos' theme (see Yuto's theme).
* WhatTheHellHero: [[spoiler:Deneb tells off Sakurai for making Yuto use the Zeronos cards, even culminating in Deneb ''throwing Sakurai out of the [=ZeroLiner=]''.]]
-----
!!Deneb[=/=]Kamen Rider Zeronos ([[spoiler:and New Den-O]]) Vega Form (voiced by Creator/HochuOtsuka; suit actor Yoshifumi Oshikawa)
[[quoteright:222:https://static.tvtropes.org/pmwiki/pub/images/den_o_deneb2.jpg]]
-->"Let me say this to start..."

Yuto Sakurai's Imagin partner, inspired by the legend of Benkei and allowing Yuto to transform Zeronos into Vega Form. Deneb is kind-hearted but somewhat on the thick side, his polite friendliness contrasting greatly with Yuto's loud, rude attitude. He often tries to better Yuto, encouraging him to be nicer or to work alongside Ryotaro as an ally rather than viewing the [=DenLiner=] team as a hindrance. Occasionally Deneb will even possess Yuto and run around being friendly, doing good deeds, and passing out Deneb Candy in order to win friends for the young man, but this invariably results in a beating from Yuto once he regains control. Deneb's history with Yuto and with the Sakurai that Ryotaro is familiar with is revealed later in the series.

----
* ApologisesALot: One of the humblest Imagins in existence.
* ArmCannon: Type 1; his hands can fire bullets from the fingers.
* BadassCape: Vega Form.
* BattleButler: Acts as Yuto's loyal servant (running errands, cooking, cleaning the [=ZeroLiner=]) and partner in battle, complete with being humble and honest to a fault.
* BenevolentGenie: In stark contrast to the other Imagin, Deneb outright ''defected'' from the Imagin cause and joined Sakurai under his own free will. Even the Taros required a bit of persuasion before they joined Ryotaro's side. What wish he granted Sakurai was never revealed, although by ''Onigashima Battleship'' he was able to possess Kotaro, so we can assume it was completed at some point.
* BewareTheSillyOnes: Despite being Yuto's ditzy comedic foil and the nicest guy in the series, his few fights as Zeronos and New Den-O Vega Form show he's actually much better at fighting than Yuuto (who's not bad himself).
* {{BFS}}: [=ZeroGasher=] Sabre Mode.
* BladeOnAStick: New [=DenGasher=] Naginata Mode (New Den-O Vega Form, when he possesses Kotaro in ''Onigashima Battleship'').
* BokeAndTsukkomiRoutine: Boke to Yuto's Tsukkomi.
* CatchPhrase: Usually begins with Yuto's "Let me say this to start!" [[labelnote:Japanese]]''"Saisho ni itte oku!"''[[/labelnote]], only to mess it up with an honest fact that bewilders everyone around him; he uses "The face on my chest is just for show" [[labelnote:Japanese]]''"Mune no kao ga kazari da!"''[[/labelnote]] a couple of times. He also says "Take care of Yuto!"[[labelnote:Japanese]]''"Yuto o yoroshiku!"''[[/labelnote]] both in conjunction with the first phrase and on its own.
* CatchphraseSpoutingDuo: Sometimes gives the tail-ends of Yuto's phrases.
* ChunkyUpdraft: When transforming into Vega Form.
* DemonicPossession: Although as an Imagin he's capable of it, it's rather notable in that Deneb refrains from possessing others outside of Yuto, even when it's established he can. Even when possessing Kotaro, he promptly apologizes.
* EmpathicWeapon: Transforms into the Denebick Buster whenever Zeronos assumes Zero Form, and can still talk to Yuto.
* FingerFirearms: All of his fingers are like this.
* FinishingMove
** [=ZeroGasher=]: While Zeronos is in Vega Form, both of this weapon's mode's finishers take on the form of a yellow V.
*** Bowgun Mode: ''Grand Strike''
*** Sabre Mode: ''Splendid End''
** New [=DenGasher=] Naginata Mode: ''Brandish Dive''
* TheHeart: Has many attempts to appeal, sometimes fail hilariously.
* InTheStyleOf: Action-Zero = Rock. 2010 Version = Soft Piano.
* MaliciousMisnaming: Momotaros (and sometimes the other Imagins as well) likes to call him Odebu (a deformation on his name, which literally means "tubby").
* MightyGlacier: In Vega Form.
* MoreDakka: Zeronos Nova.
* NiceGuy: Deneb is unfailingly polite to everyone, even his enemies, and every time he's in master's body it's for the purpose of trying to make friends with everyone Sakurai pushes away. This stands out particularly in contrast with the more amoral and even malicious Imagin throughout the show.
* NiceJobBreakingItHero: Because he didn't tell Yuuto of his plans of going through a Haunted House event, Yuuto thought that Deneb was in danger when the latter was scared out of his wits; thus, Yuuto had to use up a Zeronos card even before finding out what really happened. [[WhatTheHellHero Yuuto didn't like Deneb's actions one bit.]]
* PowerMakesYourHairGrow: When possessing Yuto, present or past.
* ShipperOnDeck: Ships Yuto with Airi. This gets the limelight in Episode Red of ''Cho Den-O Trilogy''.
* ShouldersOfDoom: Vega Form.
%%* SixthRanger: With Yuto.
* SpotlightStealingSquad: In ''Onigashima Battleship''. [[LampshadeHanging Lampshaded]] in the ''Series/KamenRiderDecade'' net spinoff episode which advertised the movie.
* TrademarkFavoriteFood: Likes to put shiitake mushrooms in the food he makes.
* WeaponOfChoice: [=ZeroGasher=] Bowgun Mode uses arches.
* WhyDidItHaveToBe: He's very afraid of ghosts, as revealed in Episode 29.
* YouGottaHaveBlueHair: Whoever gets possessed by Deneb gets long strands of green hair.
* YouNeedToGetLaid: He once asked Urataros for dating advice to give to Yuto.
[[/folder]]

[[folder:The Imagin]]

!!Kai (portrayed by Hideo Ishiguro)
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kai_05.png]]
-->"I have the face for it, don't I?"

The main villain of the show; although his existence isn't revealed until late in the series, he is alluded to as the unknown voice that sent Ryutaros to kill Ryotaro under the promise of making him conductor of the [=DenLiner=]. Kai is revealed to be able to talk to ''all'' the Imagins, and commands the vast majority of them that go back in time and wreak havoc. When he finally makes an appearance on the show, it heralds multiple reveals about the Imagins and their goals.

----
* BigBad: [[spoiler: Not revealed until in the middle of the series.]]
* CatchPhrase: "I have the face for it, don't I?" [[labelnote:Japanese]]Ore, sōiu kao shiteru daro?[[/labelnote]]
* CessationOfExistence: [[spoiler:When the Death Imagin is destroyed in the final battle, it takes his remaining memories with it. Despite being a Singularity Point, he'd destroyed so many of his past selves that he's completely erased from time due to this.]]
* DangerousForbiddenTechnique: Kai can use himself as a portal to send Imagin back in time, but by doing so he destroys his past selves. While he's a Singularity Point and thus this can't kill him, each use destroys some of his memories and erodes his sanity. By the time we meet him, he's gone pretty much completely insane and only gets worse as things progress. [[spoiler:Creating the Death Imagin an an army of Mole Imagin from all his remaining memories ultimately results in him ceasing to exist when Death is killed.]]
* FauxAffablyEvil: [[spoiler:His manner of speech and actions are normally relatively unvillainous, which serves to make him far more creepy as a result. Note, he keeps this even when letting loose an entire army of Imagin on the city and preparing to open a time rift to ''erase an entire area and everyone in it from time''. He's also extremely cruel to Ryutaros after the latter fails him.]]
* GigglingVillain: Frequently seen with a creepy grin on his face and indulging himself in maniacal laughter.
* InsaneEqualsViolent: Kai's constant destruction of his past selves and his memories along with them has left him insane, and he's most certainly a very dangerous and violent individual.
* TheManBehindTheMan: Is the driving force behind [[spoiler:the Imagin]] but doesn't appear in person until close to the end.
* MysteriousPast: Exactly where he came from, how he got his TimeMaster powers, and how he ended up working with the Imagin is never revealed. Justified, as given his heavily degraded mental state and how many of his own memories he's erased in the process, it's likely even Kai himself can't remember anymore.
%%* PsychicPowers
* PsychopathicManchild: He acts rather childish most of the time. Despite this, he's completely insane and willing to erase entire areas from time without any regard for life.
* SanitySlippage: Destroying his past selves sending Imagin back in time doesn't do his sanity any favors and even [[TheDragon his Dragon]] comments his sanity is getting worse and worse. It's implied he's been subjected to this trope long before we ever met him.
* TheDarkSideWillMakeYouForget: Quite literally: he's destroyed a large number of his own past selves, and a good chunk of his memories along with them by sending Imagin back in time. While it's implied he at least started with good intentions, by the time we meet him he's more or less gone completely insane due to this.
* TimeMaster: Unlike others, he's able to travel through time without a Time Train. [[spoiler: He's also able to tear open a hole in time and let loose an energy burst capable of erasing everything and everyone in the blast zone except himself from time.]]
* ThatMakesMeFeelAngry: Does this a lot, and usually follows it up with his CatchPhrase above, asking other characters if his face shows that emotion. [[SlasherSmile It usually doesn't.]]
* VillainousBreakdown: Gets progressively more insane and unstable as the series goes on. [[spoiler:But after discovering for that Sakurai ''isn't'' the Junction Point as he previously believed, he '''''snaps'''''. He tears apart the black calendar he'd been using to plan his attacks, gives all his remaining Imagin physical form, channels everything he's got left into the Death Imagin for an all-out attack on Tokyo. He then proceeds to try and completely erase the entire area from time despite his army still being present.]]
* WellIntentionedExtremist: He implies this in one of his earlier appearances, where he suggests to Ryotaro that killing someone in the past could be a good thing if it makes the future better. [[spoiler:Though this is a lead-up to killing Yuto and trying to trick Ryotaro into not interfering by showing him that it made for a better present.]] In the end, though, [[spoiler:he's doing all of this for the sake of the Imagins' existence, as they'll disappear entirely if the emerging Junction Point is not linked to the Imagin future.]]
* YouHaveFailedMe: [[spoiler:Pulls this on Ryutaros after the latter couldn't bring himself to kill Ryotaro.]] There's a good reason Ryutaros is so scared of him.
----
!! Imagin

The series' MonsterOfTheWeek creatures, Imagin are time-traveling spirits from a destroyed alternate future, with the goal of changing the past to bring their future back into existence. Initially they manifest as golden balls of light, but upon possessing a human victim (in a burst of energy and sand) they take a form from that person's imagination, drawing upon their mental image of various stories, legends, or folk tales. Once possessing a victim, Imagin offer them a "wish", twisting that person's desires to destructive ends. Once the wish is granted (by whatever loose definition the Imagin is using), a portal opens to the past via a particularly strong memory of victim's. From there the Imagin goes back in time and runs rampant in an attempt to alter the timeline. Upon defeat, particularly powerful Imagin will [[OneWingedAngel revive as giant monsters]] called "Gigandeaths". The Imagin initially seem independent of one another and unorganized, but as the series goes on it's revealed that there's more to their goals than meets the eye.

----
* AnimalMotifs: As part of their fables and fairy tales theme designs.
* AntiVillain: In a way. While willing to destroy and kill without mercy, and some being quite sadistic, their core motivation is sympathetic: their timeline was erased and they want to restore it, something that would require the destruction of the currrent one.
* BeCarefulWhatYouWishFor: Most Imagin operate like this; in an early episode, the Crow Imagin interprets its victim's wish to forget her ex-fiance by destroying anything playing "Spring" from the Four Seasons Concerto, since she still owned a pendant he gave her that played the song.
* CatchPhrase: "Say your wish. I will grant any wish." [[note]]''"Omae no nozomi o ie. Donna nozomi no kanaete yarou."''[[/note]]
* DealWithTheDevil: One the user is compelled to give, despite a monster suddenly appearing before them. You're hard pressed to find ''anyone'' who willingly made a deal with an Imagin.
* DemonicPossession: They are capable of possessing their hosts beyond the initial time they take to gain a physical form, but they usually don't indulge in it.
* DragonInChief: Both the Albinoleo and the Death Imagin.
** Rather than bring Kai back, they've had the Leo Imagin stand in to represent the Imagin any time the Franchise/KamenRider evil organizations are gathered, like in ''Let's Go Kamen Riders''.
* EliteMook: the New Molech Imagin, which always come up in large numbers.
* IfItSwimsItFlies: Some Hades Gigandeath have demonstrated this ability.
* JackassGenie: A few, particularly the Jellyfish Imagin, which twisted the victim's wish to find his late girlfriend's time capsule into meaning any old time capsule, and mercilessly beat the poor man when he didn't go along with it. The exceptions that prove the rule are Kintaros and Deneb. Kintaros fulfilled the spirit of his host's wish, and only cut the actual training short in order to protect his host in the past from the rhino Imagin. Deneb outright defected and became Sakurai's partner under his own volition.
* LegionOfDoom: Kai's army in the finale, consisting of almost every Imagin that Yuuto and Ryotaro ever fought.
* LiteralGenie: Several of them. For example the Mole Imagin, who heard his contract holder wish to "beat" some guys (in a singing competition) and proceeded to beat them up physically.
* MeaningfulName: "Imagin" is derived from the words "imagine", "djinn"(the arabic word for genie), "Â�今" ("ima", Japanese for "now"), and "Â�人" ("jin", Japanese for "person").
* OneWingedAngel: Gigandeaths, in three forms: [[BlowYouAway Heaven]], [[MakingASplash Hades]], and [[DishingOutDirt Hell]].
* RetGone: Their origin: their timeline was somehow erased and them along with it. As a result, they're trying to regain a concrete existence short term and in the long term intend to restore their destroyed timeline.
* WeaksauceWeakness: Should an Imagin take a Singularity point as their host, they'll have to negotiate a proper contract to be made, and be forced to either possess their host or be stuck as a ghost made of sand. As Ryotaro demonstrated, this can take a ''very'' long time to happen, although that could be more about how his partners were wilingly working with him than attempting to leave his service.

!!! Bat Imagin (voiced by Creator/KiyoyukiYanada)

The first Imagin Ryotaro faces, who is based off ''The Bat, the Birds, and the Beasts''. The Bat Imagin possesses a young bully named Tetsuo who has lost a keepsake jinglebell key holder; Tetsuo wishes to have his key holder back, and the Bat Imagin begins assaulting people with jinglebell key holders in hopes that one of them belongs to his contract holder.

----
* BatOutOfHell: A sinister-looking bat monster, whose first on-screen act is carrying a women up in the air to steal her locket and then just drop her down.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Knight from Series/KamenRiderRyuki
* OrphansPlotTrinket: He fulfills his contract by hunting down the key holder that Tetsuo's mother got for him before she passed away, which he'd accidentally dropped.
* StarterVillain: The first Imagin Den-O faced.

!!! Chameleon Imagin (voiced by Creator/JunichiKanemaru)

An Imagin based off of ''Literature/TheFrogPrince''. His contract holder is a down-on-his-luck musician, Yu, who wishes for "a hell of a lot of money". The Imagin accordingly robs several banks and retrieves the money, enough to completely cover his contract holder in his own apartment.

----

* CurbStompBattle: Because at the time Ryotaro was keeping Momotaros out and didn't know how to fight for himself, the Chameleon easily kicks his ass when they battle in the past. This changes when Momotaros finally takes control.
* HollywoodChameleons: He's based on a chameleon and so can turn completely invisible if he chooses.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Verde from Series/KamenRiderRyuki
* WhipItGood: His main weapon is a purple whip, possibly a reference to a chameleon's long tongue.

!!! Crust Imagin (voiced by Creator/KyoseiTsukui)

An Imagin based off of ''The Crab and the Monkey''. His contract holder is the young soccer player Daiki, who has been benched after failing to make a crucial goal. Daiki wishes he could play soccer again, and the Imagin plans to accomplish this by taking out all the other players.

----
%%* GiantEnemyCrab
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Scissors from Series/KamenRiderRyuki
* OneWingedAngel: He's the first of the Imagin to take a giant unstable form during the battle, appearing more like a sea monster.
* WouldHurtAChild: He decided to fulfill his young contract holder's wish to play soccer again by hospitalizing the other school-aged players.

!!! Crow Imagin (voiced by Creator/RintaroNishi)

An Imagin based off of ''The Bird in Borrowed Feathers''. His contract holder is a young woman named Yumi, who wishes to forget about a man she used to love. He decides to grant her wish by eliminating all sources of the song that played during their date, as music is a strong reminder.

----
* CreepyCrows: Even his [[NightmareFace face is creepy]].
* CatchPhrase: "Erase!", related to how his contract holder's wish is to forget about the man who she messily broke up with at the altar.
* JackassGenie: His way of fulfilling his contract holder's wish to forget her former love is to destroy all music that she associated with him, culminating in him destroying the musical locket he gave her--even as she begs him not to.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Odin from Series/KamenRiderRyuki

!!! Rhino Imagin (voiced by Creator/TsuyoshiKoyama)

An Imagin based off of ''The Naked Rhinoceros'''. His contract holder is a professional karate contender named Shinji, who is unsatisfied after his strongest opponent took ill and left him the winner by default. He wishes to be the strongest at karate, and the Imagin knows an easy way to achieve this--take out the other contenders.

----
* CarryABigStick: The mace can launch red energy orbs.
* ExactWords: His contract holder asked to be the strongest at karate. The Rhino Imagin's response was to attack (and cripple) the other contenders, so that technically he ''would'' be the strongest available.
* FashionableAsymmetry: A majority of his right side is fully armored.
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Gai from Series/KamenRiderRyuki
* RhinoRampage: He's tough enough to give Momotaros a hard time, and has to be defeated by the even-tougher Kintaros.

!!! Ivy Imagin (voiced by Creator/KeiichiSonobe)

An Imagin based off of ''Literature/JackAndTheBeanstalk''. His contract holder is the father of the preteen model Kasumi, a man named Kensaku who wishes to be able to see his daughter again. Unfortunately, the Imagin decides to grant this wish by ruining Kasumi's career, which leads the heroes to thinking that the father wished for his daughter's own demise.

----
* PlantPerson: An ivy, to be exact.
* WouldHurtAChild: He attacks Kasumi, a twelve-year-old girl. Most notable because his contract holder is Kasumi's own father, and the heroes are horrified to think that he set the imagin on his own daughter. Although it turns out he's only trying to ruin Kasumi's career and force her to come home, because the man's wish was to "see her again".

!!! Owl Imagin (voiced by Creator/TakayaKuroda)

An Imagin based off of ''The Owl and the Birds''. His contract older is a kindly old man named Toyama Shuji, whose only wish is for the city park to be a safe place for the animals. Unfortunately, the Imagin grants this by making sure no humans can use the park, and that those that do are injured for it.

----
* FeatheredFiend: He is based on a white owl.
* FemmeFatalons: His right hand has three claws.
* WouldHurtAChild: While "fulfilling" his contract holder's wish to make the park safe for animals (by keeping people out of it) he tries to attack a woman and her small child approaching the park.

!!! Whale Imagin (voiced by Creator/YoheiTadano)

An Imagin based off of ''Literature/{{Pinocchio}}''. His contract holder is a man named Kosaku, who wishes for help with his drinking problem. The Imagin grants this wish by assaulting anyone who ''knew'' of his drinking problem, meaning his former employees and a sake vendor.

----
* MightyGlacier: Not a fast Imagin, but he barely flinches as Momotaros' sword strikes do not seem to affect him that much.
* SmartWhales: Although he is more of a [[TerseTalker slow talker]].

!!! Wolf Imagin (voiced by Creator/NobuyukiHiyama)

An Imagin based off of ''Literature/LittleRedRidingHood''. His contract holder is Ryotaro's own former classmate Yuka Sawada, who wishes to be surrounded by nostalgic things after years of schooling in England. He accomplishes this by murdering schoolgirls and giving her their possessions.

----
* AndThenWhat: He succeeds at getting to the past and evading Den-O, but then, unusually for an imagin, he has no idea ''what'' he should attack and gets frustrated trying to pick something. Eventually he decides to destroy ''everything''.
* KickTheDog: Most Imagin are cruel in how they grant their contract holder's wish, but the wolf imagin takes an extra step to menace Sawada and mock her for how "boring" her wish is.
* TheBigBadWolf: His fairy tale is specifically "Little Red Riding Hood", being the wolf of the story.
* WolfMan: He's not technically a wolf or a man, but he is humanoid with a wolfish head.

!!! Jelly Imagin (voiced by Creator/RyuseiNakao)

An Imagin based off of ''The Jellyfish Errand''. His contract holder, a bereaved man named Amano, wishes to be able to find his late lover's time capsule to have something to remember her by. Rather than look for the capsule, he decides to force Amano to dig up another one and call it good.

----
* CombatTentacles: They even deliver an [[ShockAndAwe electric shock]].
* ElectricJellyfish: His electric-charged tentacles give Den-O a hard time.
* {{Jerkass}}: One of the cruelest Imagins of the series; his contract holder's wish is to dig up his late love's time capsule, but he forces him (via literal beatings) to accept other time capsules instead because he can't be bothered to look for the real one. Momotaros comments that even the other imagin didn't beat their contract holders as badly as he did.
* WhipItGood: He uses his tentacles as whips.

!!! Tortoice Imagin (voiced by Creator/KojiOchiai)

An Imagin based off of ''Literature/TheTortoiseAndTheHare''. A candy vendor named Tanaka makes a wish while in a stupor for his boss, who forced him to sell in a poor location, to suffer. The Imagin assaults Tanaka's boss and puts him in the hospital, but is frustrated when Tanaka doesn't even remember making the wish. Unusually, this Imagin is able to split into two, one being the tortoise and one being the hare.

----
* OneWingedAngel: The two Imagin each turn into giant monsters during the battle against Zeronos and Den-O, one a behemoth and the other a winged creature.
* RascallyRabbit: The Imagin's other twin has this motif.
* SharingABody: They are two Imagins in one, one with a tortoise motif and the other with a rabbit motif (although he looks nearly identical to the other.)
* TurtlePower: The Imagin mainly has a turtle motif, much to Urataros' annoyance.

!!! Scorpion Imagin (voiced by Creator/NobutoshiCanna)

An Imagin based off of ''The Boy Hunting Locusts''. His contract holder is a criminal named Masuda, who kidnapped the grandson of the CEO of a company he was fired from. After Sieg takes the baby and leaves, Masuda makes a wish to the Imagin to kidnap the baby's mother instead.

----
* HostageSituation: His contract holder was trying to kidnap and ransom the child of a wealthy woman, and made the contract when he lost the baby.
* LazyBum: His introduction has him asking his contract holder not to make his wish too much work, and he moans and groans through the whole thing while asking people not to make too much work for him.
%%* ScaryScorpions

!!! Spider Imagin (voiced by Creator/ChihiroSuzuki)

An Imagin based off of ''Tsuchigumo Story''. He made a contract with a young man named Masashi for his sister to see the starry sky, and plans to kidnap her and tie her to the top of an electric tower. He's apparently defeated by Zeronos, only for it to be revealed that he's another kind of Imagin that can split in two. He makes another appearance later in the series, and in Series/KamenRiderDecade.

----
* ArachnidAppearanceAndAttire: His outfit is black and red with web decorations, and his fingers are fittingly long and thin.
* ExpendableClone: It is later revealed that he cloned himself (albeit with green eyes and his memories intact) to continue the contract holder's wish. However, he went for a differently alternative plan: instead of taking his contract holder's younger sister from the hospital and intending to take her atop of an electric tower to let her see the stars, he decided to cut the power, shutting off all of the electricity in the city as a result.
* SpiderPeople: This Imagin is a variant where he has only four limbs, but multiple eyes and still an ability to spin webs.

!!! Molech Imagin (voiced by Creator/HidenoriTokuyama)

An Imagin based off of ''Why the crocodile does not eat hens'' and a partner to the Bloodsucker Imagin. Unlike most Imagin in the series, he isn't interested in going into the past specifically, but in assisting his master Gaoh by distracting Den-O long enough for Gaoh and his associates to hijack the [=DenLiner=]. He contracts with a jewel thief and heads into the past with Den-O in pursuit.

----
* LizardFolk: He seems to be based on an actual spiked reptile, known as the moloch.
* SpikesOfVillainy: He's one of the more sinister Imagin, especially as he has a slightly deeper plan than is usual thanks to his master. He's also covered in spikes.
* ThanatosGambit: He orchestrates a fight with Den-O that leads to his death, knowing that in the time it takes to defeat him Den-O will have lost the [=DenLiner=] to Gaoh.

!!! Bloodsucker Imagin (voiced by Creator/NobuoTobita)

An Imagin based off of ''Leeches and Master Kobo'' and a partner to the Molech Imagin. While the Molech Imagin distracted Den-O so Gaoh could steal the [=DenLiner=], the Bloodsucker Imagin was meant to distract Zeronos. To do this, he contracted with a nervous jewel thief named Ike who wanted to get back the jewels he pawned off under his partner's nose. After Gaoh is defeated, the Imagin returns to the standard goal to go to the past and wreak havoc after completing his contract.

----
* BrickJoke: He reappears with one, as he's introduced in the episode before the first movie. After the events of the movie have passed, the characters have forgotten all about him and are celebrating... until the next episode, where Ryoutarou remembers there was still an Imagin they had to clean up.
* DragonTheirFeet: Conveniently off on a contract for someone else when his master is defeated, and as such survives as Gaoh's last enforcer, though by this point he's just doing what he wants.
* EvilLaugh: He laughs liberally through his appearance after he manages to get to the past, especially while he's beating people up.
* EyelessFace: Has no eyes, just a black strip around his face, which makes him all the more creepier.

!!! Wasp Imagin (voiced by Creator/ShoutoKashii)

An Imagin based off of ''The Wasp and the Snake''. His contract holder is a petty thief who believes he accidentally murdered someone and wishes to dispose of the body that he left in a building that is now being used for a neighborhood courage test. In truth, the man he "killed" was just knocked out and left the premises--but that doesn't stop the Wasp Imagin from fulfilling the wish, in a way.

----
* BeeAfraid: Well, he's more based on a wasp.
* ExactWords: The thief asked for "the corpse" to be disposed of for his wish. The "corpse" was already long gone from the area, but the Wasp Imagin made due with a fake "corpse". After disposing of that, he declares the contract complete.
* PaletteSwap: The suit worn for the Wasp Imagin is actually a modified version of the suit for the Crust Imagin.
* RoyalRapier: He is seen wielding this.

!!! Bluebird Imagin (voiced by Creator/MitsuakiHoshino)

An Imagin based off of ''The Blue Bird''. His contract holder is a young man named Terasaki who split up with his wife and child after he enrolled in working with fireworks against her wishes. He makes a wish for his estranged wife to "see the fireworks", i.e. the first fireworks that he would be firing off.

----
* FeatheredFiend: Based on a bluebird, not a blue jay, despite similar appearances.
* JackassGenie: The contract holder wants his wife to see the fireworks that he'll be setting off. The Imagin takes the phrase "see the fireworks" and interprets it as ''lobbing a fireball'' at her.

!!! Rabbit Imagin (voiced by Creator/ToshitsuguTakashina)

Another Imagin based off of ''Literature/TheTortoiseAndTheHare''. Unusually, he's defeated by Den-O early in the episode he appears in, his contract holder being an unlucky man whom he'd hung off a building in order to fulfill his wish to "fly".

----
* PaletteSwap: Of the Tortoice Imagin's rabbit twin.
* RascallyRabbit: He's based on a rabbit, and fulfills his contract holder's wish to "fly" by hanging him off a building and saying he'll "fly" when the rope breaks.
* WeHardlyKnewYe: Unlike most Imagin that get an episode or two to themselves, this one is killed in the first few minutes of the episode to leave room for the Anthopper brothers.
* WhiteBunny: His motif is a white rabbit, even though he still has some tortoise-esque features.

!!! Anthopper Imagin (Ari voiced by Creator/KosukeToriumi, Kirigiris voiced by Creator/TomokazuSeki)

An pair of Imagin brothers who are both based off of ''Literature/TheGrasshopperAndTheAnts''. They make a contract with an unscrupulous loan shark named Fujishiro who is seeking to marry Airi, but this is only in order to obtain a physical form. Their true goal is to defeat Den-O directly.

----
* BigCreepyCrawlies: Both brothers have the left side an ant, the right side a grasshopper.
* BlueOniRedOni: Ari's cool-minded Blue and Kirigiris' lunatic Red.
* CoolSword: Ari's sword resembles a shovel, whereas Kirigiris' sword is shaped like a viola.
* IdenticalTwinIDTag: Although they look identical, Ari has a shovel-shaped sword and Kirigiris has a viola shaped sword.
* IHaveYourWife: Possessing Fujishiro, Ari kidnaps Airi to draw Ryotaro out in the second act.
* LaughingMad: Kirigiris, the more wild and sadistic of the two, cackles psychotically during battle.

!!! Kraken Imagin (voiced by Creator/TetsuInada)

An Imagin based off of ''The Octopus and The Skull''. He makes a contract with an unknown pianist who wishes for a piano. So of course he gives him one. Unusually, the contract is not completed because the Imagin didn't fulfil the spirit of the wish; the contract holder really wanted to be able to play the piano where his friend--a young man in a coma--could hear i.e. outside his hospital room.

----
* GiantSquid: Krakens are even mentioned to be enormous squids in some real-life myths.
* NiceHat: The fins and point on his head resemble a wide-brimmed hat.

!!! Mole Imagin (voiced by Creator/DaisukeKirii (Ax-Hand), Creator/KoichiSakaguchi (Claw-Hand), Creator/AkiraSasanuma (Drill-Hand))

A troop of Imagin based off of ''Thumbelina''. They make a contract with a young man who wanted to beat all the men in a karate dojo--in a singing competition, but that doesn't stop the Imagin from beating them all up to complete the contract. Once there, they reveal themselves to be three Imagins. They serve as a big problem for Ryotaro, whose bond with the Taros and ability to be possessed by them is disintegrating.

----
* DemotedToExtra: They would appear again in later productions as Imagin {{Mooks}}.
* ExactWords: The man they contracted with wished to "beat" the men in a karate dojo--the Imagin just possesses him and makes him beat them all up. What the contract holder really ''wanted'' was to beat them in a ''singing'' competition. Nonetheless, it counts.
* GasMaskMooks: Their rounded lenses make them resemble this trope. The pickelhaube helmets also help.
* {{Homage}}: To the mooks from Series/{{Inazuman}}, from the head designs and claw arms to the tendency to appear three at a time.
* IdenticalTwinIDTag: Their weapons serve as this: One has an ax, one a claw, and one a drill. Otherwise they are identical.

!!! Leo Imagin (voiced by Creator/KazuhiroYamaji)

An Imagin based off of ''The Man Who Found a Gold Lion''. Already possessing a physical form, this Imagin serves Kai directly and takes part in his plot to destroy the [=DenLiner=] using Ryutaros.

----
* TheDragon: He served as one to Kai more so than the other Imagin, sticking close to him like a personal bodyguard until his final fight with Den-O
* KingOfBeasts: He is based on a lion.

!!! Panda Rabbit Imagin (voiced by Creator/KojiOchiai)

Another Imagin based off of ''Literature/TheTortoiseAndTheHare'', although one not identical to the previous Imagin with this motif.

----
* MixAndMatchCritters: As his name implies, he is a mixture of a rabbit and a panda.
* WeHardlyKnewYe: Much like the White Rabbit Imagin, this one is killed off a few minutes after his introduction, as the episode is really about the Snail Imagin.

!!! Snail Imagin (Female voiced by Creator/NanahoKatsuragi, Male voiced by Creator/TakashiIrie)

A pair of Imagin based off of ''The Snail and the Rose Tree'', one male and one female. They are subordinates of Kai and more far deadly than some of their fellows. They are already physically formed but still go into the past and change things for Kai's purposes, the female contracting with Yuto's former teacher.

----
* IHaveYourWife: The male Imagin kidnaps [[spoiler:Kohana under Kai's orders to force Ryotaro to consider joining him.]]

!!! Oct Imagin (voiced by Creator/KenjiroTsuda)

Another Imagin based off of ''The Octopus and The Skull''. He makes a contract with a formerly IllGirl named Shouko who has, unfortunately for the Imagin, fallen in love with a Deneb-possessed Sakurai Yuto and who wishes to see him again.

----


!!! Armadillo Imagin (voiced by Creator/WataruTakagi)

An Imagin based off of ''La Cancion del Armadillo''.

----
* EpicFlail: One of his weapons.
* MistakenIdentity: Momotaros confused his AnimalMotif as a shrimp. This Imagin immediately corrected that, stating the near-invincible villain is an armadillo.
* RollingAttack: Similar to how an actual armadillo would curl itself into a ball.

!!! Albinoleo Imagin (voiced by Takaya Kuroda)

Another Imagin based on ''The Man Who Found a Gold Lion'', this one a stronger white version. When the original Leo Imagin is destroyed, the Albinoleo Imagin serves as Kai's direct subordinate, helping him to eliminate the Junction Point.

----
* TheDragon: He replaces the destroyed Leo Imagin in this role, always staying near Kai and being sent to the past only to do the most important mission that is [[spoiler:killing Airi.]]
* PaletteSwap: Of the original Leo Imagin costume.

!!! Snowman Imagin (voiced by Creator/ToruOkawa)

An Imagin based off of ''Frosty the Snowman''. Kai uses him to go to the past and try to discover a seeming discrepancy in Ryotaro's knowledge about Sakurai's disappearance; the Imagin does this by making a contract with a jeweler that Ryotaro bought a watch from about a year ago.

----
* AnIcePerson: He is based on a Snowman.
* ExactWords: The poor jeweler's wish was for him to get all of his stock cleared out. He of course meant by ''selling'' his stock, but the Imagin just took all of his merchandise and threw it out into the street.

!!! Death Imagin (voiced by Hiroshi Yanaka)

An Imagin based on ''Death's Messenger''. Kai summons him during the show's finale in order to help him destroy the entire era.

----
* GrimReaper: Along with a double-sided SinisterScythe, it matches, albeit without the black hoodie cloak.
[[/folder]]

[[folder:Characters Introduced in ''Ore, Tanjou!'']]

!!Gaoh[=/=]Kamen Rider Gaoh (portrayed by Hiroyuki Watanabe; suit actor Yoshifumi Oshikawa)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/gaoh.png]]
-->"I will devour everything!"

The BigBad of the first movie, Gaoh is a thief-king who, along with a gang of rogue Imagin following him, targets time trains. After getting Ryotaro to chase an Imagin to 2000, he stole the [=DenLiner=] in order to go further back in time, as well as to obtain the Master Pass from Owner, which allows its user to go to any time period they wish. Upon arriving in the Sengoku period, he manipulates Yukimura Sanada into helping him uncover the [=GaohLiner=], a time train originally named "God's Train" due to its ability to control time, even being able to erase Singularity Points. In the end, Gaoh is brought down by the combined efforts of all four [=Den-Os=] (collected from various points in time by Yuto) and Zeronos.

----
* {{BFS}}: [=GaohGasher=] Sword Mode.
* BigBad: Of ''Ore, Tanjou!''.
* BigEater: Quite literally; Gaoh spends most of his non-battle scenes munching on large quantities of food, such as whole turkey legs or pineapples.
%%* CardCarryingVillain
* CatchPhrase: "Everything, I'll devour it all." [[labelnote:Japanese]]''"Zennin, ore ga kutte yaru."''[[/labelnote]]
* CoolOldGuy: Hiroyuki Watanabe was 51 during filming, making him the oldest actor to portray a Kamen Rider.
* DeathByGenreSavviness: Doesn't wait for Sword Form to finish charging up his FinishingMove, going in for the kill, [[spoiler:[[OutGambitted except]] that Momo actually anticipated this; at close proximity, Gaoh was left vulnerable to Extreme Slash, Special Version.]]
* FinishingMove: ''Tyrant Crash'' (similar to Den-O's Extreme Slash).
* GangOfHats: His Imagin followers are all reptilian.
* InTheStyleOf: Double-Action Gaoh Form = Death Rock. Also the only Double-Action variation sung solo.
* NoBodyLeftBehind: [[spoiler: After Den-O kills him he's 'consumed by time' and reduced to sand.]]
* NoHoldsBarredBeatdown: His first henshin in order to fight Zeronos can be described as this.
* OmnicidalManiac: He wanted to destroy time itself.
* PaletteSwap: The Gaoh costume is built from a Den-O costume, but it's still pretty distinct...at least until they used '''it''' to build Yuuki from the third movie...
* SingleStrokeBattle: How Den-O finally finishes him.
* StrawNihilist: His goal is to destroy all time because he's [[ForTheEvulz grown bored of it]] and considers it pointless.
* WhyDontYaJustShootHim: After uncovering the [=GaohLiner=], Gaoh heads to Ryotaro's birthday with the intent of erasing the day from existence, therefore destroying Ryotaro AND Den-O.
* VillainSong: While he doesn't sing it in the movie itself, ''[[https://www.youtube.com/watch?v=co_VVSB1My8 Double Action Gaoh Form]]'' is added to the director's cut of the movie. His is also the only solo version of the song.

!! Cobra Imagin (voiced by Takashi Hagino)

One of Gaoh's henchmen, an Imagin based off of ''The Lucky Farmer Becomes King''. He aids Gaoh in his plot to take over God's Train.

----
* MythologyGag: [[AllThereInTheManual According to the Imagin design book]], his design is a reference to Kamen Rider Ouja from Series/KamenRiderRyuki. It's a more intentional example than the others, since he just so happens to be voiced by Asakura's actor, and [[spoiler: is beaten by Ryotaro while the latter is possessed by Sieg, who's based on Femme (who killed Ouja in ''Episode Final'')]].
* SnakePeople: He is based on a cobra.

!! Salamander Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Story of the Fifth Aztec Sun''. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a salamander.

!! Gecko Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Mystery of the Newt'' along with the Newt Imagin. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a gecko.

!! Newt Imagin

One of Gaoh's henchmen, an Imagin based off of ''The Mystery of the Newt'' along with the Gecko Imagin. He aids Gaoh in his plot to take over God's Train.

----
* LizardFolk: His motif is that of a Newt.


[[/folder]]

[[folder:Characters Introduced in ''Climax Deka'']]

!!Kazuya Suzuki (portrayed by Ryota Murai)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kazuya_suzuki.png]]

A police detective, Suzuki is assigned to work with the [=DenLiner=] Police in order to investigate the rash of Imagin and [[Series/KamenRiderKiva Fangire]]-related crimes that have been on the rise lately. Initially he doesn't mesh with the team at all, being freaked out by the Imagin and blindly pursuing the criminal Seiya Kuroki. Eventually they learn that his father '''Kazuma Suzuki''' (portrayed by Ryoji Morimoto) was a great policeman and he just wants to live up to his example.

----
* ButtMonkey: His terror of the Imagin and general incompetence leads him to being smacked around and teased constantly, and he's even kidnapped by Negataros' crew.
* DisappearedDad: His father was a cop who died on the job when Kazuya was still very young.
%%* InspectorLestrade
* ThisIsSomethingHesGotToDoHimself: Though Hana could kick Kuroki's butt five ways from Sunday, she lets Suzuki collar him, even if it does mean a drawn-out fight where he takes his share of lumps.
%%* ThisLoserIsYou
* WellDoneSonGuy: His goal is to follow in his father's footsteps. [[spoiler:Amusingly, during their trip to 1986 to give Kazuya closure, we hear his father remark that he wants better for his son.]]
* WhatTheHellHero: Momo chews him out for foolishly [[StormingTheCastle infiltrating Negataros' HQ]] without any backup, leading to him getting captured. Granted, it was because the rescue attempt mounted by the [=DenLiner=] Police nearly cost them their lives.

----

!!Negataros[=/=]Kamen Rider Nega Den-O (voiced by Creator/HikaruMidorikawa; suit actor Jiro Okamoto)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/negataros.png]]
-->"My evil organization is eternal!"

The BigBad of ''Climax Deka'', Negataros is a rogue Imagin who survived Kai's death and struck out on his own, attempting to found an Evil Organization. In his quest, he recruited human criminals as well as Imagin and [[Series/KamenRiderKiva Fangire]], and eventually drew the [=DenLiner=] Police's notice when he stole Owner's spare Rider Pass. In the final battle, he used the Pass to transform into Nega Den-O, but was taken down by the combined efforts of the [=DenLiner=] crew and Series/KamenRiderKiva.

----
* AscendedExtra: Negataros gets a great deal of expansion in Den-O's S.I.C. Hero Saga story, a text series published in Hobby Japan Magazine. The story, an alternate version of ''Climax Deka'', has Negataros travel to 1971 and join forces with Shocker, the evil organization of the original ''Series/KamenRider'', which leads Ryotaro and Yuto to pursue and eventually team up with the Showa Kamen Riders.
* CardCarryingVillain: He wants to form an "evil syndicate" so he can take over the world; he's not as hammy as most examples, but it's clear he knows he's a villain and revels in being one.
* EvilTwin: Of Momotaros, as well as Den-O Sword Form.
* FinishingMove: As Nega Den-O, he can use any of Den-O's primary four finishers, though in ''Climax Deka'' we only see the ''Nega Wild Shot''. The arcade game ''Ganbaride'' shows the ''Negastreme Slash'', as well as giving Negataros himself a move that combines all four finishers, called ''Hell's Quartet''.
* TheMafia: What he wants to be, apparently.
* OrcusOnHisThrone: Didn't do anything significant, just bragging about his "evil syndicate", at least until the movie's climax.
* PaletteSwap: Almost literally; Negataros is a negative-colored Momotaros, and Nega Den-O is Sword Form painted purple with blue tribal flame-like markings.
* WeaponOfChoice: Nega [=DenGasher=], with all the modes of the orignal.: CoolSword, BladeOnAStick, AnAxeToGrind and {{Handguns}}.

----

!!Featured Imagins

!!!Pink Rabbit Imagin

An Imagin that is one of Negataros' followers.

----
* RascallyRabbit: Also colored pink, as its name implies.
* TheVoiceless: Does not speak at all.

!!!Clown Imagin (voiced by Chihiro Suzuki)

An Imagin based on ''Pulcinella''.

----
* MonsterClown: He's dressed in vibrant harlequin colors and is clearly meant to be a clown, but he looks like a horrifying stitched up nightmare.
[[/folder]]

[[folder:Characters Introduced in ''Final Countdown'']]

!!Kotaro Nogami[=/=]Kamen Rider NEW Den-O (portrayed by Dori Sakurada; suit actor Seiji Takaiwa for Final Countdown, Makoto Ito for following films)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kotaro_nogami.png]]
-->"My strength is... the real thing."

Ryotaro's [[KidFromTheFuture Grandkid From The Future]]. He grew up listening to stories of Ryotaro's exploits from Owner, and eventually became the new Den-O along with his partner Imagin Teddy. The smug, arrogant Kotaro looks down on Ryotaro and the Taros, thinking them to be weak fools who could barely get the job done, and stepping in to take over as the protector of the timeline. However, after fighting alongside the younger Ryotaro and his allies, Kotaro gained an honest respect for his grandfather and mellowed out a good deal.

----
* AmazinglyEmbarrassingParents: His grandfather, Ryotaro, though Kotaro later drops the attitude.
* AnAxeToGrind: Kintaono (Kintaros in ''Episode Blue'').
* BelatedLoveEpiphany: A non-romantic variation with Teddy; in ''Episode Blue'' the Owner takes Teddy's contract away and has him doing chores on the [=DenLiner=], while Kotaro is forced to used the Taros as replacements. He ends up miserable, constantly failing, and he realizes how much he took for granted his partnership with Teddy.
* BladeOnAStick: [=DenGasher=], Naginata Mode (Vega Form, when Deneb possesses him in ''Onigashima Battleship'').
* CatchPhrase: "My strength is *snaps fingers twice* the real thing.".
* CharacterTics: Snapping his fingers. In ''Final Countdown'', he has Teddy set up a countdown of how long it'll take him to defeat an opponent; as a show of his arrogance it tends to be a low number, always below 30 seconds. The real sign that he's matured is when Teddy asks for a count against Shiro and Kotaro replies "The real battle starts at zero!"
* CoolSword:
** Momotaken (Momotaros in ''Let's Go Kamen Riders'').
** [=DenGasher=], Sword Mode (Strike Form, when Teddy is fighting alongside him).
* DefrostingIceKing: In Final Countdown, after being beaten down by the movie's BigBad, Kotaro becomes sullen and tries to train even harder. Momotaros comes to talk with him about how his grandfather was strong in much the same way (i.e., getting back up after being knocked down.) From then on, Kotaro becomes a lot warmer towards Ryotaro and less arrogant in general.
* DistressedDude: His capture at the hands of the Oni is an important part of ''Onigashima Battleship''.
* EmbarrassingFirstName: He dislikes it because apparently in the future it gained the connotation of being a "country" name.
* EpicFlail: Uratazao (Urataros in ''Episode Blue'').
* FinishingMove:
** Strike Form:
*** ''Counter Slash'': A DiagonalCut with the [=MacheTeddy=].
*** ''Strike Spurt'': New Den-O's Rider Kick.
** Vega Form: ''Brandish Dive''.
* HostageForMcGuffin: He's captured by the Oni in ''Onigashima Battleship'' and offered in exchange for the [=DenLiner=], as well as the other half of the Oni's Kirifuda that they plan to use to wipe out humanity.
* KidFromTheFuture: He's a strange case, seeing as how Ryotaro never had any romantic interests within the series; early press on the Cho Den-O Trilogy implied that his father would appear, but this turned out to be false.
* LamarckWasRight: He seems to have inherited Ryotaro's ''bad luck'' of all things...
* MacheteMayhem: [=MacheTeddy=].
* MorphWeapon: Kotaro has the power to change any Imagin into a weapon for him to use[[note]]Ryutaros is the only one of the four -Taros imagin who currently does not have a corresponding weapon; however, it's very likely that he would transform into a [[{{Handguns}} handgun]][[/note]].
* OneSteveLimit: Averted. He isnít the [[Series/KamenRiderBlack first Rider]] to be named [[Series/KamenRiderBlackRX Kotaro]].
* PowersViaPossession: Averted with Strike Form, but played straight with Vega Form needing Deneb to possess Kotaro.
* RealLifeWritesThePlot: Sort of. One of the big reasons they switched from Ryotaro to Kotaro is because Ryotaro's actor, Takeru Satoh, made it big and Toei couldn't really afford his agency's set salary (despite Takeru always saying that he loved playing Ryotaro). This is also the reason why Takuya Mizoguchi replaced Satoh as Ryotaro from ''The Onigashima Battleship'' onwards.
* RearrangeTheSong: Double-Action Strike Form (rock and roll), finally introduced in the ''Chou Den-O Trilogy''.
* SwissArmyWeapon: Like his Grandpa, Kotaro has his own [=DenGasher=] that can be assembled in any mode.

----

!!Teddy/Neotaros (voiced by Creator/DaisukeOno; suit actor Shinichi Kaneda)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/teddy_5.png]]

Kotaro's partner Imagin, Teddy is quiet, polite, and reserved. Unlike the other heroic Imagin who possess their contractors, he assumes the form of a two-handed sword dubbed the [=MacheTeddy=] in order to aid Kotaro in battle. He attempts to subdue Kotaro's brashness, and often ends up apologizing to the [=DenLiner=] team after the young man leaves the room. His capture while attempting to spy on Shiro gives the first indication that Kotaro might have a softer side, and the two are friends and partners despite their differing personalities and the master[=/=]servant relationship they seem to exhibit.

----
* BattleButler: Teddy assists Kotaro in battle, turning into a sword when they transform. He also fulfills a butler role for him in catering to his needs (even up to protecting Kotaro from his own bad luck.)
* BelatedLoveEpiphany: Of a non-romantic sort; after the Owner takes up a contract with him and forces him to leave Kotaro alone, Teddy at first doesn't resist. He gradually realizes how important Kotaro was to him and risks disappearing for good to get back to him.
* EmpathicWeapon: Teddy can transform into New Den-O's weapon, the [=MacheTeddy=].
* MeaningfulRename:
** Originally he was Neotaros, but after Kotaro became disillusioned with Ryotaro, he was rechristened Teddy.
** In ''Episode Blue'', when Teddy is briefly contracted to Owner, his name is changed to Aleksandrovic.
* OnlySaneMan: A down-to-earth kinda guy, especially when compared to the other Imagin.
* StealthPun: In the anime short before ''Episode Blue'', the Imagin are eating chicken ''tendon'', and they wouldn't understand why Teddy is crying his eyes out just watching them.
* TalkingWeapon: His [=MacheTeddy=] form.
* WeaponTombstone: [[spoiler:In ''Let's Go Kamen Riders'', Teddie gets killed in the past trying to protect the Rider Scouts from Shocker. The scouts plant his remains, [=MacheTeddy=], in one of their hideouts, in order for the Riders in the future to find the TimeCapsule buried underneath.]]
* YouALLLookFamiliar: Teddy's appearance came from Kotaro's listening of the Owner's stories about his grandfather, Momotaros and the other Imagin. Thus he resembles all four Taros while maintaining his own image.
----

!!Shiro[=/=]Kamen Rider Yuuki Hijack Form (portrayed by Yuki Matsumura; suit actor Kazutoshi Yokoyama)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/shiro_86.png]]
-->"You... why must you make Sora sad?"

The primary antagonist of ''Final Countdown'', Shiro was a man from the Edo period who lost Sora, the love of his life, and was unable to move on. After dying, he discovered the Ghost Train and plotted to reverse the worlds of the living and the dead, bringing Sora back to life no matter the cost. He kidnapped Ryotaro in order to further his goals, but eventually had to personally enter battle as Yuuki Hijack Form.

----
* AffablyEvil: While Ryotaro is virtually his prisoner, Shiro initially treats him in a civil manner, at least until Ryotaro starts showing signs of breaking free of Shiro's control.
* AfterlifeExpress: The Ghost Train, a spectral steam engine with a skull mounted on the face, somewhat reminiscent of ''VideoGame/FinalFantasyVI'''s Doomtrain.
* BattleTops: ''Exploding'' toy tops.
* {{BFS}}: [=SavageGasher=]; it's made up of [[http://kamenrider.wikia.com/wiki/File:Den-O-Yuuki-hijack.jpg two complete DenGasher sets]].
* FinishingMove: ''Terminate Flash''
* GangOfHats: Fitting in with this ability, Shiro's Imagin minions are associated with darkness (Ghost, Phantom, Shadow).
* LoveMakesYouEvil: He's so blinded by his mission, that he fails to realize that Sora never wanted him to do it.
%%* {{Necromancer}}
* PaletteSwap: The Yuuki suit is essentially a black Gaoh suit minus the chest "fangs", plus coattails, two unique [=DenKamen=], a color changing rail-scarf, and Hijack Form gains a [[RedRightHand mechanical gauntlet]].
* WhipItGood: His weapon of choice is a whip, which he uses to also scatter about exploding tops.
* WoobieDestroyerOfWorlds: He wants to do an act so terrible that it would turn the world upside-down, with the dead coming back to life and the living dying. But all he really wants is to save the woman he loves, who evidently died young.

----

!!Ghost Imagin (voiced by Creator/HiroshiKamiya)

One of Shiro's Imagin followers. He possesses Ryotaro, turning him into A-Ryotaro with a corresponding Kamen Rider Yuuki "Skull Form".

----
* TheDragon: Of the Imagin following Shiro, the Ghost Imagin is the Dragon, and is given the most important role in his plan by possessing Ryotaro.
* OurGhostsAreDifferent: While his motif is that of a ghost, he takes an appearance closer to that of a neon skeleton.

!!Phantom Imagin (voiced by Takuma Takewaka)

One of Shiro's Imagin followers.

----
* PaletteSwap: Of the Snail Imagin.

!!Shadow Imagin (voiced by Creator/TomokazuSugita)

One of Shiro's Imagin followers.

----
* PaletteSwap: A modified variation of the [=AntHopper=] Imagin costume.
[[/folder]]

[[folder:Characters Introduced in ''Onigashima Battleship'']]

!!Yu (portrayed by Ruka Sawaki)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/yu_4.png]]

A young boy from Tokyo; after his mother's death he was forced to relocate to his grandmother's in the countryside. He prefers the busier city life instead of the dirtier country life, especially as he hates bugs. Because of his apparent contempt for the countryside, he's nicknamed "Tokyo Boy" and bullied by fellow classmates. His life starts to change after he discovers the Kirifuda, a trump card against humanity that is desperately wanted by the Oni searching his village for it.

----
* CityMouse: He was moved to the countryside from Tokyo due to family circumstances, and misses the city life.
* CrosscastRole: The one who played him, Ruka Sawaki, is a girl.
* IntergenerationalFriendship: He becomes close friends with Deneb in particular over the course of the movie, [[spoiler:foreshadowing that he has that relationship with him in the present as Yuto Sakurai.]] He also befriends Toki, who may be his ancestor.
* ItWasWithYouAllAlong: The Kirifuda that the [=DenLiner=] crew and the Oni had been looking for. He uses it to bargain with the Owner in order to ride [=DenLiner=].
* ParentalAbandonment: His mother died long before the events of the movie and his father is in a foreign country, leaving him in his grandmother's care.
* PrecociousCrush: Instantly smitten with Toki, the girl that leads the fight against the Oni Brothers, at first sight. Though it might be less of this and more that she reminded him of his deceased mother. Wiki/TheOtherWiki mentions that she is Yu's mother's ancestor.
* RaisedByGrandparents: Lives with his grandmother, as his mother is dead and his father is busy overseas.
* TheStinger: [[spoiler:As the credits roll, Yu shouts his full name at the bullies from earlier, revealing it as Yuto Sakurai. Furthermore, Deneb tentatively tries to ask Yuto if he remembered him from his childhood. Yuto responds by a MeaningfulEcho of Yu's words from earlier.]]

----

!!Toki (portrayed by Akina Minami)

Toki is the protector of the Kirifuda during the Muromachi period, protecting it from the Oni Brothers with her master archery skills. She is the ancestor of Yu's mother.

----
* ActionGirl: She's a pretty skilled archer, and takes part in battle alongside her fellow villagers, most of whom are men.
* IdenticalAncestor: Though Yu's mother's face was never seen, Yu said to Toki that they look alike.
* TakingTheBullet: She took a hit meant for Yu, leaving her injured.

----

!! Mimihiko[=/=]Silvara (portrayed by Shingo Yanagisawa)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/mimihiko.png]]
One of the leaders of the Oni, alongside his brother Kuchihiko. While his brother waits for him in the present, Mimihiko uses a rip in time to travel to points in the future with a small band of Oni and look for the Kirifuda that they plan to use to exterminate humanity. This causes a disruption in time that temporarily deprives the Taros of their physical forms and physically de-ages Ryotaro. Is able to transform into the dragonfly-like Silvara.

----
* ChekhovsGunman: He makes an early appearance in a Den-O crossover episode of ''Series/KamenRiderDecade'', although he turns out to not be the BigBad of the two-parter.
* ChromeChampion: As indicated by his second name, his Rider armor is silver in color.
* DropTheHammer: Wields a large kanabō mace.
* EvenEvilHasLovedOnes: Genuinely loves his brother, to the point of sacrificing himself to save him from a fatal blow.
* LightningReveal: At the beginning of the movie, his Rider form appears when lightning flashes on the screen.
* TakingTheBullet: Shields his brother from both New Den-O's Brandish Dive and Super Climax Form's Rider Kick, which proved to be fatal for Silvara.
* WouldHurtAChild: Even though Yu only stumbled upon them by accident, Mimihiko decides to kill him for no other reason than [[ForTheEvulz he's bored]].

----

!! Kuchihiko[=/=]Goldra (portrayed by Eisuke Sasai)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/kuchihiko.png]]
One of the leaders of the Oni, alongside his brother Mimihiko. While Mimihiko searches for the other half of the Kirifuda in the future, Kuchihiko wages war against humanity in the past, particularly against the people of Toki's village. He is able to transform into the golden grasshopper-like Goldra.

----
* BigBad: Although his brother is also one of the main villains of the movie, he has the bigger role of the two, and lasts the longest.
* BlingBlingBang: As indicated by his second name, his Rider armor is gold in color.
* DoubleWeapon: Wields a double-headed spear.
* EvenEvilHasLovedOnes: The two oni, despite being time-traveling conquerors, genuinely care for each other, and Goldra goes ''berserk'' when he's killed.
* FailedASpotCheck: For RuleOfFunny. He didn't see Teddy standing ''right in front of him'' when he was riding the [=DenLiner=].
* LastVillainStand: Momo tries to talk him into abandoning the Onigashima battleship when it's on the brink of destruction, but Goldra refuses, resulting in a final skirmish between the two.
* VillainousBreakdown: Goes ''completely'' berserk when his brother's killed.
* WouldHurtAChild: Like his brother, he tried to hurt Yu but Toki [[TakingTheBullet took the hit]].

----

[[/folder]]

[[folder:Characters Introduced in ''Chō Den-O Trilogy'']]

!!Reiji Kurosaki[=/=]Kamen Rider G Den-O (portrayed by Yuta Furukawa, suit actor Norihito Itō), Eve (voiced by Creator/HirokiTakahashi)
[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/reiji_kurosaki.png]]
A member of the [[TimePolice G-Men]], Kurosaki uses the artificial Imagin Eve to protect the timestream as Kamen Rider G Den-O. He initially appears chasing [[Series/KamenRiderDecade Daiki Kaitou/Kamen Rider [=DiEnd=]]], who was attempting to cause a TimeParadox by killing his past self, but then he arrests the Taros as well, Eve claiming that their mucking about time with the [=DenLiner=] will only cause trouble. While he pursues Kaitou, the [=DenLiner=] crew tries to sort out the situation and figure out what Kaitou's overall goal is in the incident.

----
* AIIsACrapshoot: [[spoiler:His artificial Doberman Pinscher Imagin, Eve,]] is a KnightTemplar.
* AxCrazy: [[spoiler:Eve doesn't take Kurosaki's HeelFaceTurn very well...]]
* AwesomenessByAnalysis: Eve analysizes the opponent and can give G Den-O a command of where to attack next with great effect and does the same with his ''Perfect Weapon'' to counter finishers. However, this only works if he's facing one attack at once. [[spoiler: When Eve takes over as G Den-O and goes AxCrazy, he begins doing this on his own.]]
* BlingBlingBang: Out of his Rider form, his main weapon is an elaborate gold revolver, which Daiki attempted to steal in 2008.
* FinishingMove: Although not mentioned in the movie, the Gun Mode's finisher is called World Punish, and the [[CarryABigStick Jutte Mode]]'s is called World End.
* GenderBlenderName: Eve.
* HeelFaceTurn: [[spoiler:Daiki reveals his entire plan was to not only retrieve the treasure he never did steal the last time, but to save Reiji's own 'treasure', a large number of letters from Reiji's mother, who Reiji believed abandoned him. At this reveal, Reiji breaks down and changes his ways...however, Eve goes AxCrazy...]]
* HeelRealization: Reiji has one when [[spoiler:he's given the letters from his mother that were kept from him and realizes she really did care about him, triggering his HeelFaceTurn.]]
* InspectorJavert: Seeks to arrest not just Daiki, but the entire [=DenLiner=] crew as well for their "crimes against time". Once they are captured and subsequently escapes, he and Eve decides to just execute them.
* KillAllHumans: [[spoiler:After Reiji pulls a HeelFaceTurn, Eve goes AxCrazy and decides this is the best way to police time.]]
%%* KnightTemplar
* MeaningfulEcho: When arresting Daiki, he repeats a line that Daiki said to him two years ago, which is what lets Urataros figure out what's going on.
* MissingMom: [[spoiler:And the letters in the box with the golden gun are from her, which is part of the reason Daiki went back to "redo" the theft.]]
* RasputinianDeath: [[spoiler:After Eve goes AxCrazy and becomes G Den-O itself, Reiji gives [=DiEnd=] a K-Touch to become [[SuperMode DiEnd Complete Form]]. He then uses a special card to summon Kamen Riders [[Series/KamenRiderAgito G4]], [[Series/KamenRiderRyuki Ryuga]], [[Series/KamenRiderFaiz Orga]], [[Series/KamenRiderBlade Glaive]], [[Series/KamenRiderHibiki Kabuki]], [[Series/KamenRiderKabuto Caucasus]], [[Series/KamenRiderKiva Arc]], and [[Series/KamenRiderDouble Skull]] to all do their FinishingMove alongside him to destroy G Den-O.]]
* ShoutOut: Rather than a time train, Kurosaki travels through time by appearing [[Franchise/{{Terminator}} crouched low to the ground in a spherical burst of energy]]. [[Series/KamenRiderDragonKnight A sphere with flipping symmetrical light rings...]]
* TheStoic: [[spoiler:Which leads to Eve going AxCrazy when Kurosaki is given the letters from his mother and becomes emotional.]]
%%* SympatheticInspectorAntagonist
%%* TimePolice
* VillainousBreakdown: [[spoiler:When Kurosaki undergoes a HeelRealization and a HeelFaceTurn, Eve snaps, takes over as G Den-O, and goes completely AxCrazy, deciding to KillAllHumans to ensure time is protected.]]
* WeaponOfChoice: [=DenGasher=], but with only two known modes: [[KnifeNut Jutte Mode]] and [[{{Handguns}} Gun Mode]].

!!Piggies Imagin (voiced by Creator/KazuyaNakai, Right Shoulder voiced by Creator/KosukeToriumi, Left Shoulder voiced by Creator/TetsuyaKakihara)

An Imagin based off of ''Literature/TheThreeLittlePigs''. His contract holder is a man named Hiroshi Kikuchi who wishes to be able to impress Airi, whom he made a fool of himself in front of. He attempts to do this by putting Airi into dangerous predicaments for Hiroshi to save her from.

----
* MultipleHeadCase: His shoulder pads have talking faces of their own, which he regards as his younger brothers.
* RescueRomance: This is the wish he must grant; for Airi to be put in danger so that his contract holder can rescue her and look like a "hero".

!!Mantis Imagin (voiced by Creator/MichieTomizawa)

A female Imagin based off of ''The Mantis and the Moon''. Her contract holder is a young woman who seemingly is trying to impersonate another young woman named Miku Uehara in front of Miku's grandmother. In truth, her contract holder is Miku from the future who simply wanted to go back into the past and spend a birthday with her grandmother instead of constantly spending it with her friends.

----
* DualWielding: She wields two sickles shaped like mantis forelimbs.
* SamusIsAGirl: She's initially shown with her body covered by a white sheet, and Momotaros is surprised to learn she's a girl when the covering is removed.
* SetRightWhatOnceWentWrong: Her contract holder's wish is to go back in time and spend her birthday with her grandmother, which she'd put off until it was too late. So the Imagin steals a train pass to allow her to travel back in time.
* SlayingMantis: Her motif is as a mantis, and she's portrayed as pretty fierce and destructive, as well as being introduced as an elusive thief.
* TechnicolorToxin: She can expel a purple gas which poisons whatever it comes in contact with.
[[/folder]]
----
[[Characters/KamenRiderDenOMovieExclusiveCharacters Movie-Exclusive Characters]]
[[/index]]


The first Imagin Ryoutarou must face, who is based off ''The Bat, the Birds, and the Beasts''. The Bat Imagin possesses a young bully named Tetsuo who has lost a keepsake jinglebell key holder; Tetsuo wishes to have his key holder back, and the Bat Imagin begins assaulting people with jinglebell key holders in hopes that one of them belongs to his contract holder.

to:

The first Imagin Ryoutarou must face, Ryotaro faces, who is based off ''The Bat, the Birds, and the Beasts''. The Bat Imagin possesses a young bully named Tetsuo who has lost a keepsake jinglebell key holder; Tetsuo wishes to have his key holder back, and the Bat Imagin begins assaulting people with jinglebell key holders in hopes that one of them belongs to his contract holder.



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%%* AffablyEvil



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[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/mimihiko.png]]




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Added DiffLines:

* DragonTheirFeet: Conveniently off on a contract for someone else when his master is defeated, and as such survives as Gaoh's last enforcer, though by this point he's just doing what he wants.


* SecondRider: As per tradition within the franchise.

Added DiffLines:

* DefrostingIceQueen: A male example. Yuuto started the series as a cold jerk and was occasionally quite rude to Ryoutarou. He gradually warmed up to him, and by the end of the series, they had become true friends.

Added DiffLines:

* MamaBear: She is fiercely protective of Ryotaro and often goes out of her way to make sure he is alright. [[spoiler: This becomes a bit [[{{Irony}} ironic]] when she turns out to be his ''niece''.]]


[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/den_o_ryotaro.jpg]]
[[caption-width-right:350:"I don't have any energy left to faint!"]]

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[[caption-width-right:350:"I
org/pmwiki/pub/images/ryotaronogami.png]]
[[caption-width-right:200:"I
don't have any energy left to faint!"]]



[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/hana_adult.png]]
[[caption-width-right:350:"I can't allow that. I won't let you Imagin kill Den-O."]]

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[[quoteright:350:https://static.[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/hana_adult.org/pmwiki/pub/images/hana_7.png]]
[[caption-width-right:350:"I [[caption-width-right:200:"I can't allow that. I won't let you Imagin kill Den-O."]]
[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kohana.png]]
[[caption-width-right:200:As Kohana]]



[[quoteright:240:https://static.tvtropes.org/pmwiki/pub/images/deno_al_naomi.jpg]]
[[caption-width-right:240:"Thank you for boarding the Denliner today.Your attendant today is...Me! Naomi!"]]

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[[caption-width-right:240:"Thank
org/pmwiki/pub/images/naomi_91.png]]
[[caption-width-right:200:"Thank
you for boarding the Denliner today.Your attendant today is...Me! Naomi!"]]



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* BreakTheCutie: Near the end of the series, Ryutaros gets confronted by Kai who [[spoiler:tricked Ryutaros into almost destroying [=DenLiner=], and at the same time, made him give up on his crush on Airi after she realizes that a Ryutaros-possessed-Ryotaro isn't really her brother. Made all the worse because Ryutaros was trying to give Airi a picture he made of her and couldn't; the end of the episode has him smoothing it out as he cries away from the others. Poor guy.]]

to:

* BreakTheCutie: Near the end of the series, In episodes 37-38, Ryutaros gets confronted by Kai who [[spoiler:tricked Ryutaros into almost destroying [=DenLiner=], and at the same time, made him give up on his crush on Airi after she realizes that a Ryutaros-possessed-Ryotaro isn't really her brother. Made all the worse because Ryutaros was trying to give Airi a picture he made of her and couldn't; the end of the episode has him smoothing it out as he cries away from the others. Poor guy.]]



[[quoteright:295:https://static.tvtropes.org/pmwiki/pub/images/den_o_sieg2.jpg]]
[[caption-width-right:295:"Advent, to the top..."]]

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[[quoteright:295:https://static.[[quoteright:177:https://static.tvtropes.org/pmwiki/pub/images/den_o_sieg2.jpg]]
[[caption-width-right:295:"Advent,
org/pmwiki/pub/images/sieg_1.png]]
[[caption-width-right:177:"Advent,
to the top..."]]



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[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/kr_zeronos.
png]]



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%%* StoneWall

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%%* StoneWall* StoneWall: His fighting style is the most defensive out of all the Taros.


* OneOfTheseIsNotLikeTheOthers: One of the few Imagins without an animal motif.

to:

* OneOfTheseIsNotLikeTheOthers: One of the few Imagins without an animal motif.

Added DiffLines:

* DangerousForbiddenTechnique: Kai can use himself as a portal to send Imagin back in time, but by doing so he destroys his past selves. While he's a Singularity Point and thus this can't kill him, each use destroys some of his memories and erodes his sanity. By the time we meet him, he's gone pretty much completely insane and only gets worse as things progress. [[spoiler:Creating the Death Imagin an an army of Mole Imagin from all his remaining memories ultimately results in him ceasing to exist when Death is killed.]]


Added DiffLines:

* InsaneEqualsViolent: Kai's constant destruction of his past selves and his memories along with them has left him insane, and he's most certainly a very dangerous and violent individual.


Added DiffLines:

* TheDarkSideWillMakeYouForget: Quite literally: he's destroyed a large number of his own past selves, and a good chunk of his memories along with them by sending Imagin back in time. While it's implied he at least started with good intentions, by the time we meet him he's more or less gone completely insane due to this.

Added DiffLines:

* DemotedToExtra: They would appear again in later productions as Imagin {{Mooks}}.


Added DiffLines:

* GasMaskMooks: Their rounded lenses make them resemble this trope. The pickelhaube helmets also help.
* {{Homage}}: To the mooks from Series/{{Inazuman}}, from the head designs and claw arms to the tendency to appear three at a time.


* EverythingsBetterWithPrincesses: At least, that's what he thinks with Hana, always calling her "Hime-san" (Princess) whenever she appear after she slapped him in the face.

Added DiffLines:

* OddNameOut: Unlike the other four [=DenLiner=] Imagin, not only does his name doesnít end with "Taros", but it also doesnít reference a Taro of Japanese folklore.

Added DiffLines:

* OneSteveLimit: Averted. He isnít the [[Series/KamenRiderBlack first Rider]] to be named [[Series/KamenRiderBlackRX Kotaro]].

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