Line #100 BigBad/KamenRider


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5	->"You are all correct! The mastermind pulling the strings against the Kamen Riders was me all along!"
6	-->--The '''Great Leader''', the franchise's ultimate BigBad, [[HijackedByGanon hijacking the plot]] yet again in ''Series/KamenRiderStronger''.
7	The many {{Big Bad}}s of ''Franchise/KamenRider''. In addition to television series, expect each of the associated movies (particularly the Summer Movies and Movie War {{crossover}}s) to have their own Big Bad as well.
8	----
9
10	'''Franchise-wide'''
11
12	* The textbook Big Bad for the various Showa-period ''Franchise/KamenRider'' series was the Great Leader. Although we never learn ''precisely'' what it is, it's claimed to be everything from a (relatively) mundane mutant terrorist to a [[EldritchAbomination living embodiment of hate and suffering]] who will exist AsLongAsThereIsEvil. Typically, if there was a series where it ''wasn't'' the Big Bad, it'd pop up in the next series and claim to have been [[HijackedByGanon the one bossing around the previous show's villains]].
13
14	'''Showa Era'''
15
16	* ''Series/KamenRider'' and ''Series/KamenRiderV3'' both have the Great Leader, who was responsible for founding the evil organizations Shocker, Gel-Shocker and Destron, all in succession.
17	* ''Series/KamenRiderX'' introduces the series' first non-Great Leader BigBad in the General Commander of GOD, a mysterious individual at the head of the Government of Darkness who used numerous objects as mouthpieces with no clue to his true form. Halfway through he stops sending messages and the true leader of GOD turns out to be the colossal King Dark ([[spoiler:who is really a robot piloted by Doctor Noroi]]), with the implication that the GOD General Commander was either a flunky or [[TwoAliasesOneCharacter alias]] used by him.
18	* ''Series/KamenRiderAmazon'' has the Ten-Faced Demon Gorgos, the leader of the evil Geddon. Halfway through, Geddon gets defeated and is replaced by the Garanda Empire led by Great Emperor Zero. Zero himself answers to the mysterious cloaked Ruler ([[spoiler:who is unmasked as the True Great Emperor Zero; turns out the former Zero was just a decoy.]]), who claims in the final episode to have been TheManBehindTheMan to Geddon as well.
19	* ''Series/KamenRiderStronger'' sees the return of the Great Leader in a new form as the leader of the Black Satan organization. Following Black Satan's downfall two-thirds of the way through, the traitorous General Shadow seizes on the vacuum left by Black Satan to form his own Delza Army. Towards the end of the show however, the Great Leader returns and not only [[HijackedByGanon hijacks]] the Delza Army, but [[spoiler:reveals himself to be behind both GOD and Geddon as well (no mention of the Garanda Empire though).]]
20	* ''Series/KamenRiderSkyrider'' has the master of Neo-Shocker, who is yet another form of the Great Leader.
21	* ''Series/KamenRiderSuper1'' has the Dogma Kingdom led by Emperor Terror Macro. Once they fall, their place is taken by Jin Dogma, [[Main/TheManBehindTheMan the organization behind that organization]], which is led by Marshal Demon.
22	* ''Film/BirthOfTheTenthGatherAllKamenRiders'', has the Badan Empire led by Ambassador Darkness, the BackupTwin of Ambassador Hell from the original ''Series/KamenRider'' series. At the end of the film it's revealed Darkness was working for the Generalissimo of Badan, who ([[SarcasmMode surprise, surprise]]) is really another incarnation of the [[HijackedByGanon Great Leader]].
23	* ''Series/KamenRiderBlack'' had the [[EvilIsVisceral Creation King]].
24	* ''Series/KamenRiderBlackRX'' had General Jark of the Crisis Empire, who ultimately turned out to be subordinate to [[GalacticConqueror Grand Lord Crisis]], who... may be Great Leader, it's not entirely clear, but they have the same voice actor in Creator/GoroNaya, whose distinctive voice was Great Leader's calling card.
25	* ''Film/ShinKamenRiderPrologue'' had [[TheMafia the Syndicate]] as well as [[TheGovernment the CIA]].
26	* ''Film/KamenRiderZO'' had the [[EldritchAbomination Neo Organism]].
27	* ''Film/KamenRiderJ'' had [[HiveQueen the Fog Mother]].
28
29	'''Heisei Era (Phase 1)'''
30
31	* ''Series/KamenRiderKuuga'': [[MonsterLord N-Daguva-Zeba]], lord of the Grongi tribe and the one behind their [[BodyCountCompetition Gegeru]], where the Grongi who manages to kill enough humans before [[TheHero Kuuga]] gets to them can challenge Daguva for his position. Daguva later shows [[spoiler:little interest in the game, as he only wants to see if humanity, or specifically the successor of his ArchEnemy, would become the "Ultimate Darkness" like Grongi in retaliation.]]
32	* ''Series/KamenRiderAgito'' had [[AbusivePrecursors the Overlord/Theos]].
33	** ''Film/KamenRiderAgitoProjectG4'' has Risa Fukami, the one in charge of Project G4.
34	* ''Series/KamenRiderRyuki'': Shiro Kanzaki organized the Battle Fight by dealing Advent Decks out to other Riders and [[spoiler:plots to rig it using a brainwashed [[DragonInChief proxy]] Odin and by setting up a long GroundhogDayLoop until he actually wins for his own wish, which is reviving his DeadAllAlong sister Yui]].
35	** ''Film/KamenRiderRyukiEpisodeFinal'' has Kamen Rider Ryuga, who is actually the [[EvilCounterpart Mirror counterpart]] of Shinji Kido.
36	* ''Series/KamenRider555'': [[CorruptCorporateExecutive Kyouji Murakami]]/the Rose Orphnoch is the CEO of [[MegaCorp Smart Brain]], the one supporting most of the [[{{Mutants}} Orphnochs]] in their rampages to [[CameBackStrong sire]] more Orphonochs from humans, and the one employing the Lucky Clover assassins to retrieve {{Transformation Trinket}}s from the heroes, with his ultimate goal being to locate the [[DarkMessiah Orphnoch King]].
37	** ''Film/KamenRider555ParadiseLost'' also has Kyouji Murakami, now at the head of the world run by Orphnochs. Though since he's now a [[BrainInAJar head in a glass tank]] for some reason, it's [[PsychoForHire Kamen Rider Psyga]] and [[spoiler:[[FaceHeelTurn Yuji Kiba/Kamen Rider Orga]]]] who serve as the main threats to our heroes. It's also revealed that Smart Brain is really led by a trio of blurred out faces on computer screens (one of whom [[HijackedByGanon may even be the Great Leader]][[note]]He's voiced by Goro Naya, whose distinctive voice was the Great Leader's calling card[[/note]]).
38	* ''Series/KamenRiderBlade'': The release of the monstrous Undead turns out to be the doing of [[spoiler:BOARD Chairman [[CorruptCorporateExecutive Hiroshi Tennoji]], who intentionally set them loose in order to rig their Battle Fight so his own chosen candidate could win, granting him the power to [[InTheirOwnImage remake the world]]. Alternatively, this role could go to the Stone of Sealing, which created the Undead and, when all the numbered and Royal Club Undead fall, unleashes TheHorde to wipe ''all'' life on Earth until the heroes figure out a solution.]]
39	** ''Film/KamenRiderBladeMissingAce'' has the [[EvilCounterpart Albino Joker]].
40	* ''Series/KamenRiderHibiki'' had [[BigBadDuumvirate The Man and The Woman]] and all their myriad clones. [[spoiler:We don't even meet the actual originals until the finale. And its even possible that they aren't the originals after all...]]
41	** ''Film/KamenRiderHibikiAndTheSevenSenki'' has Kabuki, an Oni who defected to the Makamou, though [[spoiler:he is eventually usurped by Hitotsumi.]]
42	* ''Series/KamenRiderKabuto'': Although the [[AliensAreBastards Worms]] are the main set of enemies this season and ZECT is the organization fighting them, the one antagonizing [[TheHero Souji Tendou]] the most is the NumberTwo of ZECT, [[TokenEvilTeammate Masato Mishima]], who is only concerned with his own personal advancement and repeatedly tries to assassinate Tendou. After the leader of Worms [[spoiler:[[DiscOneFinalBoss is taken out]], Mishima sides with the Native Worms who secretly founded ZECT and hijacks their plan to convert humans into Worms for himself.]]
43	** ''Film/KamenRiderKabutoGodSpeedLove'' has [[spoiler:[[TheBrigadier Riku Kagami]]]] of all people, who in this timeline heads a conspiracy allied with the Worms to help the Next-Worms invade Earth. However, it's [[SocialDarwinist Issei Kurosaki]]/[[DragonInChief Kamen Rider Caucasus]] who is entrusted with ensuring that their EvilPlan goes off without a hitch, and the main threat faced by Kabuto and Gatack.
44	* ''Series/KamenRiderDenO'' had [[TimeMaster Kai]] the Singularity Point and master of the Imagin.
45	** ''Series/KamenRiderDenO: I'm Born'' has Thief King Gaoh, who hijacks the Den-Liner so he can retrieve his own train, the Gaoh Liner.
46	* ''Series/KamenRiderKiva'': The 1986 storyline has the [[OurVampiresAreDifferent Fangire]] King, who wiped out most of the other demon races and is targeting next. The 2008 storyline has Bishop, who [[DragonAscendant has stepped up to carry on King's will]]. At the end, [[spoiler:Bishop revives King, who promptly becomes the FinalBoss]].
47	** ''Series/KamenRiderKiva: King Of The Castle In The Demon World'' has [[MonsterLord Kamen Rider Arc]], who seeks vengeance against Kiva's current wielder.
48	* ''Series/KamenRiderDecade'' is complicated, taking place over a [[Main/TheMultiverse Multiverse]] of [[Main/AlternateUniverse alternate realities]] to past Rider series, each with their own BigBad. It eventually introduces Dai-Shocker, a LegionOfDoom comprising villains and monsters from across ''Kamen Rider'' history, which goes through several leaders.
49	** The World of Kuuga has N-Gamio-Zeda, the equivalent to N-Daguva-Zeba.
50	** The World of Kiva has the [[VampireMonarch Beetle Fangire]], the equivalent to the Bat Fangire. He is eventually followed by Yuki, the Fangire Queen who is wed to Apollo Geist.
51	** The World of Ryuki has Kamata (Kamen Rider Abyss), who turns out to also be the Paradoxa Undead, who was brought by Narutaki to this world from...
52	** The World of Blade has Hajime Shijo, who transforms into both Kamen Rider Chalice and the Joker Undead. As it turns out, Kamata was TheDragon.
53	** The World of 555 has Momose, the Tiger Orphnoch, the leader of the Lucky Clover at Smart Brain High School.
54	** The World of Agito, with nary a mention of the Overlord, has the Buffalo Lord Taurus Ballista, the equivalent to the El Lords, who were the CoDragons to the Overlord.
55	** The World of Den-O has the Alligator Imagin, who enacts his own scheme to change the past. Also appearing is Shilubara (Mimihiokko) as a GreaterScopeVillain, leading to the ''Den-O & Decade'' film in which he features alongside his brother Goludora (Kuchihiko), who stands as the Big Bad after Shilubara is slain.
56	** The World of Kabuto has Soh Otogiri, the Phylloxera Worm,
57	** The World of Hibiki, with nary a mention of the Man and the Woman, has Gyuki, actually a [[Main/AndThenJohnWasAZombie fallen Hibiki]].
58	** The World of Negatives, the MirrorUniverse, has Otoya Kurenai (Kamen Rider Dark Kiva), leader of the Dark Riders and AlternateSelf of the heroic, deceased Otoya Kurenai from ''Kiva''. Uniquely, this Otoya survives his run on ''Decade''.
59	** The World of Diend, based on the film''Film/KamenRiderBladeMissingAce'', has Fourteen.
60	** Special mention goes to the World of Shinkenger, the world in which ''Series/SamuraiSentaiShinkenger'' takes place, where the heroic Shinkengers fight the monstrous Ayakashi, which is incorporated into ''Decade'' when the Hikari Studio crew visit for a {{crossover}}. The BigBad for this arc turns out to be Chinomanako who steals the power of Kamen Rider Diend; as Shinkengers' is a world without Riders, Chinomanako's presence becomes a threat which requires the combined strength of Decade, Kuuga and the Shinkengers to put down. Dokoku Chimatsuri, leader of the Ayakashi and BigBad of ''Shinkenger'', does not appear but can be counted as a GreaterScopeVillain.
61	** The World of Black RX has the Crisis Empire represented by [[MonsterOfTheWeek Schwarian]], whilst Emperor Crisis is mentioned as a GreaterScopeVillain. It is in this world that Dai-Shocker, represented by [[ImmortalityImmorality Apollo Geist]], makes their first appearance, recruiting the Crisis Empire into their alliance. It is also established that Dai-Shocker previously recruited Gorgom, from the World of Black.
62	** Apollo Geist himself, whose original incarnation was TheDragon to King Dark, hails from the World of X-Rider, with a new incarnation of King Dark appearing in ''All Riders vs. Dai-Shocker''.
63	** The World of Amazon has the Ten-Faced Demon Llumu Qhimil. Equivalent to Gorgos from ''Amazon'', Llumu Qhimil the leader of Geddon, which is now a part of Dai-Shocker.
64	** The film ''Film/KamenRiderDecadeAllRidersVsDaiShocker'' reveals that the Great Leader of Dai-Shocker was in fact none other than [[spoiler:[[Main/AmnesiacHero Tsukasa Kadoya]], who masterminded Dai-Shocker's plan to destroy all Kamen Riders and invade all the A.R. Worlds, only to get amnesia and forget about it. He returns to the role, only to be usurped by [[TheStarscream Nobuhiko Tsukikage]], who is really the A.R. incarnation of [[Series/KamenRiderBlack Shadow Moon]].]]
65	** In the World of the Rider War, a combination of the nine Heisei Rider worlds, Apollo Geist takes control of the remaining monsters, marrying the Fangire Queen and thus becoming the half-Fangire Super Apollo Geist.
66
67	'''Heisei Era (Phase 2)'''
68
69	* ''Series/KamenRiderDouble'': Ryubee Sonozaki is TheDon of a mafia organization Museum and the one distributing [[PowersAsPrograms Gaia Memories]] on Fuuto's black market, as part of a [[spoiler:paranoia-fueled AssimilationPlot]]. After [[spoiler:[[DiscOneFinalBoss Ryubee's defeat]], his [[EvilutionaryBiologist Foundation X]] backers take over the project, with their researcher Jun Kazu becoming the FinalBoss.]]
70	** ''Film/KamenRiderWForeverAToZTheGaiaMemoriesOfFate'' has Katsumi Daido/Kamen Rider Eternal, the AxCrazy leader of the terrorist group who wants to turn everyone in Futo City into [[OurZombiesAreDifferent Necro-Overs]] in order to remake the city in his own image.
71	** The ''Kamen Rider Accel'' spin-off movie has the vigilante Commander Dopant.
72	** The ''Kamen Rider Eternal'' spin-off movie has Foundation X scientist Doctor Prospect, who runs a center for experimenting on people to become Quarks. It's revealed at the end of the movie that [[spoiler:he's also responsible for Daido going off the deep end, making him [[VillainousLegacy indirectly responsible]] for his actions in ''The Gaia Memories of Fate'' as well.]]
73	* ''Series/KamenRiderOOO'' had [[MadScientist Dr. Maki]]. Interestingly, he was supposed to just be the ArcVillain of the second arc, and Ankh was going to be the final villain, but things changed and he became a fully fledged Big Bad.
74	** ''Film/KamenRiderOOOWonderfulTheShogunAndThe21CoreMedals'' has the Gara, an alchemist who served [[GreaterScopeVillain the original OOO]] who's [[GodhoodSeeker looking to succeed where his master failed]].
75	** ''Film/KamenRiderOOO10thCoreMedalOfResurrection'' has Ancient King OOO, the GreaterScopeVillain who created the Greeed 800 years ago, and who has now revived to try to conquer the world one more time. [[spoiler:After he's defeated in the climax, the artificial Greeed Goda absorbs his leftover Core Medals and becomes the FinalBoss.]]
76	* ''Series/KamenRiderFourze'': Mitsuaki Gamou is the ringleader of the Zodiarts and the one dealing [[PowersAsPrograms Zodiarts Switches]] to students in order to find the twelve chosen [[StandardEvilOrganizationSquad Horoscopes]], which he needs to [[spoiler:complete his goal of finding NeglectfulPrecursors who've created the Core Switch.]]
77	** ''Series/KamenRiderFourze: Everyone Into Space'' has [[Main/AdaptationalVillainy Groundyne and Skydyne]], a SiblingTeam of [[AIIsACrapshoot renegade robots]] looking to destroy humanity.
78	* ''Series/KamenRiderWizard'': Wiseman is the leader of [[TheHeartless Phantoms]], the one behind the mass HumanSacrifice that led to their initial creation, and the one sending them out to create more. [[spoiler:At the very end he's killed by [[TheStarscream Gremlin]], who seizes the PhilosophersStone and becomes the FinalBoss.]]
79	** In the post-script two-parter, the fifteen Heisei Riders are taken to an AlternateUniverse, home to the souls of defeated monsters, where they battle Amadum, a dark Wizard and evil overlord.
80	** ''Film/KamenRiderWizardInMagicLand'' has [[spoiler:[[EvilChancellor Orma]]/Kamen Rider Sorcerer, aka the Drake Phantom, who caused the creation of the titular Magic Land so he could feed off the despair of its citizens.]]
81	* ''Series/KamenRiderGaim'': The alien [[AlienKudzu Helheim Forest]] is this technically, since its invasion is the cause of the story, but most of the actual conflict comes from [[BigBadEnsemble various other figures]] either looking to combat it or take advantage of it, chiefly [[spoiler:Ryoma Sengoku of the Yggdrasill Corporation and Redyue of the [[MonsterLord Overlord Inves]], both of whom exploit their respective factions' resources to claim power.]] In fact, [[spoiler:Helheim's avatar [[TheDogWasTheMastermind DJ Sagara]] actually spends much of the series helping the protagonists, having put HumanityOnTrial to see who among them is worthy of becoming Helheim's next chosen]].
82	** ''Film/KamenRiderGaimGreatSoccerBattleGoldenFruitsCup'' has Kougane/Kamen Rider Mars, the manifestation of an artificial [[ForbiddenFruit Golden Fruit]] and the one luring the Riders into conflict with each other.
83	** ''Film/KamenRiderGaimGaidenKamenRiderZangetsu'' has Kamen Rider Idunn, who turns out to be [[spoiler:Touka Akatsuki, Takatora's childhood friend who was really a TykeBomb experimented on by Yggdrasill, who's now out for revenge.]]
84	** ''Film/KamenRiderGaimGaidenKamenRiderBaron'' has Alfred/Kamen Rider Tyrant, though [[MadScientist Ryoma Sengoku]] (one of the [[BigBadEnsemble Big Bad contenders]] in the series itself) [[TheManBehindTheMan isn't that far behind]].
85	** ''Film/KamenRiderGaimGaidenKamenRiderDuke'' has Kugai Kudo, the head of the Black Bodhi cult who seeks become a god using Yggdrasill's research, though he can't really be said to be any more "bad" than [[VillainProtagonist Ryoma]] himself. The ending also reveals that [[spoiler:Kugai Kudo [[TheManBehindTheMan enabled]] the villain below.]]
86	** ''Film/KamenRiderGaimGaidenKamenRiderKnuckle'' has Shura/Kamen Rider Black Baron, the founder of a fight club based on perversions of [[TheRival Kaito]]'s ideals.
87	* ''Series/KamenRiderDrive'': The Heart Roidmude is the main leader of the Roidmude uprising and the one behind the majority of their plots. Other villains occasionally take the lead at different points, most notably [[MadDoctor Medic]] and [[TheManBehindTheMan Freeze]], but Heart is Shinnosuke's most persistent foe. [[spoiler:At least until [[MadScientist Tenjuro Banno]], the one who [[GreaterScopeVillain corrupted the Roidmudes in the first place]], gets loose and hijacks the role from Heart's position, with the remaining Roidmudes [[EnemyMine teaming up with Drive to stop him]].]]
88	** ''Film/KamenRiderDriveSurpriseFuture'' has Roidmude 108/[[spoiler:Kamen Rider Dark Drive]], who seeks to create an eternal [[TimeStandsStill Global Freeze]].
89	** ''Recap/KamenRiderDriveSagaKamenRiderChaser'' has the [[TheStarscream Angel Roidmude]], who wants to end the conflict between humans and Roidmudes [[WellIntentionedExtremist by force]].
90	** ''Film/KamenRiderDriveSagaKamenRiderHeart'' has Roidmude 5886, a Roidmude formed from the [[FusionDance collective data]] of all the Roidmudes.
91	** ''Film/KamenRiderDriveSagaKamenRiderMach'' has [[spoiler:Roidmude 005, who respawned from Roidmude 5886 and [[OneWingedAngel evolved]] into the Revenger Roidmude.]]
92	* ''Series/KamenRiderGhost'': The Gamma Prince Adel, who [[spoiler:was the one to suggest the Gamma [[GhostInvasion invade the human world]] in the first place. His role as this is bolstered when he [[TheStarscream usurps his father]] as the Gamma Emperor and tries to sacrifice both worlds for the AssimilationPlot to achieve godhood. When [[TheEmpath Takeru]] manages to get through him, the [[DeusEstMachina Gammaizer]]s (the Gamma's guardian deities) hijack the role out from under him and become the final boss.]]
93	** Set during ''Ghost'', the film ''Film/KamenRider1'' sees the return of Shocker, only without the Great Leader. Now it is led by [[Main/DragonAscendant Ambassador Hell]] and is pitted in an EnemyCivilWar against Nova Shocker, led by a new monster, Urga.
94	** ''Series/KamenRiderGhost: The 100 Eyecons and Ghosts Fated Moment'' has Argos/Kamen Rider Dark Ghost, who wants to turn everyone on Earth into ghosts.
95	** ''Film/KamenRiderGhostREBIRTHKamenRiderSpecter'' has Danton, who was originally a [[GreaterScopeVillain co-creator]] of Gamma World, who now seeks to forcibly alter the people of Gamma to fit his view of a better society.
96	* ''Series/KamenRiderExAid'': In the beginning its Bugster executive Parado [[BigBadDuumvirate and]] Genm Corp CEO Kuroto Dan masterminding the Bugster attacks. After many twists and turns, it's revealed that [[spoiler:both were being [[TheManBehindTheMan manipulated]] by Masamune Dan, Genm Corp's founder and Kuroto's dad, in his scheme to upload humanity into his video game and become [[ControlFreak the controller of everyone's fates]].]]
97	** ''Film/KamenRiderExAidTrueEnding'' has Johnny Maxima, the CEO of Machina Vision and former business partner of ''Ex-Aid'''s BigBad.
98	** The ''Another Ending Trilogy'' has [[spoiler:[[HijackedByGanon Kuroto Dan]], who's returned to being evil now that his father and the Bugsters are no longer a threat.]]
99	* ''Series/KamenRiderBuild'' has [[BigBadEnsemble a whole bunch of villains]] all competing to harness the power of [[ArtifactOfDoom Pandora's Box]]. After many twists and turns, the real BigBad turns out to be [[spoiler:[[AliensAreBastards Evolt]]/[[EnigmaticMinion Blood Stalk]], the original owner of Pandora's Box who's been manipulating everyone, [[PlayingBothSides hero and villain]], from the start to achieve his goal of constructing the Pandora Tower and using it to [[OmnicidalManiac annihilate all life on Earth]].]]
100	** ''Film/KamenRiderBuildBeTheOne'' has Kamen Rider Blood and his two cohorts, who brainwash all of Japan to turn them against Build so they can enact their scheme to [[PlanetEater destroy the world.]]
101	** ''NEW WORLD: Kamen Rider Cross-Z'' has the show's GreaterScopeVillain [[spoiler:[[TheManBehindTheMan Kamen Rider Killbus]], the older brother of Evolt and the true leader of the Blood Tribe.]]
102	** ''NEW WORLD: Kamen Rider Grease'' has scientist-turned-terrorist [[TheStarscream Keiji Uraga]], whose experiences as a test subject for Faust have left him with a hunger for power.
103	* ''Series/KamenRiderZiO'' has Zi-O's [[FutureMeScaresMe evil future self]], [[EvilOverlord Oma Zi-O]], who rules the future but doesn't [[GreaterScopeVillain do much directly to influence the plot]] in the present. Instead, the main antagonists are the Time Jackers, a trio of so-called "freedom fighters" from the future with [[TimeStandsStill time manipulation powers]] looking to alter the flow of time replacing the Kamen Riders throughout it with their own [[MonsterOfTheWeek Another]] [[EvilCounterpart Riders]] so the future will be ruled by their own king as Oma Zi-O. [[spoiler:Except it's later revealed that this is a ruse. The Time Jacker [[TheChessmaster Swartz]] is the one [[TheManBehindTheMan behind]] Oma Zi-O's rise to power, using the Another Riders to guide Sougo down the path to becoming a Demon King.]]
104	** ''Film/KamenRiderZiOOverQuartzer'' has the [[TimeMaster Quartzer]], led by [[spoiler:[[AlternateSelf an alternate Sougo Tokiwa]]]]/Kamen Rider Barlckxs. Not only is he the BigBad of this film, but it's also revealed that [[spoiler:he's the GreaterScopeVillain of ''Series/KamenRiderZiO'' as well, having played a role in the rise of [[EvilOverlord Oma Zi-O]].]]
105	** ''Recap/KamenRiderZiONextTimeGeizMajesty'' has [[spoiler:White Woz, who was previously an ArcVillain in the series itself, having now returned as Another Diend.]]
106
107	'''Reiwa Era'''
108
109	* ''Series/KamenRiderZeroOne'' has the [[AIIsACrapshoot Ark]], a sunken AI satellite behind [[RobotReligion MetsubouJinrai.net]] and the [[MonsterOfTheWeek Magia]] which seeks to KillAllHumans. It is the goal of [=MetsubouJinrai.net=] to reawaken it and [[MegaCorp ZAIA Enterprise]] to gain control over it. [[spoiler:Also one of the only Big Bads to survive the series without being truly defeated, as it opts to instead use [[MouthOfSauron As]] to manipulate things.]]
110	** ''Film/KamenRiderZeroOneREALxTIME'' has [[DarkMessiah Kamen Rider Eden]] [[spoiler:until gets usurped in the film's climax by [[TheStarscream Behru]], who steals his Driver to become Kamen Rider Lucifer.]]
111	* ''Series/KamenRiderSaber'' has a BigBadDuumvirate of [[spoiler:[[EvilRunningGood Isaac/the current Master Logos]] and [[SatanicArchetype Storious]]]], who orchestrated everything in a bid to obtain the [[AkashicRecords Almighty Book]] so they can use it to remake the world InTheirOwnImage. [[spoiler:The former takes the lead for most of the story while the latter swoops in at the very end to be the FinalBoss.]]
112	** ''Film/KamenRiderSaberThePhoenixSwordsmanAndTheBookOfRuin'' has [[OmnicidalManiac Bahato]], the titular "phoenix swordsman". He later returns in the series itself and gets DemotedToDragon.
113	** The prequel ''[[Recap/KamenRiderSaberSpinOffSwordOfLogosSagaPart1 Sword of Logos Saga]]'' has [[spoiler:Master Logos]], whose role in causing the conflict of the series is fleshed out by the special.
114	** ''Film/KamenRiderSaberTrioOfDeepSin'' has [[ArchnemesisDad Shinjiro Shinozaki]] [[spoiler:in a BigBadDuumvirate with Mamiya and Yuina Tachibana, the former of whom is responsible for them all being able to become Kamen Rider Falchion. The [[TransformationTrinket Mumeiken Kyomu]] is implied to be sentient, and serves as the GreaterScopeVillain by way of empowering each of them.]]
115	* ''Series/KamenRiderRevice'' has Giff, the pagan god of the Deadmans who all the other villains are working to revive. Although he spends much of the series a GreaterScopeVillain who's either [[SealedEvilInACan sealed]] or [[OrcusOnHisThrone lurking in the shadows]], so his [[TheHeavy leading disciples]] could be seen as the {{Big Bad}}s up until he finally decides to take center stage. [[spoiler:After Giff's defeat Vice becomes the FinalBoss, [[AntiVillain if only in a bid to save Ikki]].]]
116	** ''[[Recap/KamenRiderReviceTheMysteryPart1 Kamen Rider Revice: The Mystery]]'' has [[spoiler:Suzu Saionji.]]
117	** ''[[Recap/ReviceLegacyKamenRiderVailPartOne Revice Legacy: Kamen Rider Vail]]'' has [[spoiler:Director Agariyama, who headed [[GovernmentConspiracy NOAH]] and caused the deaths of Junpei's parents so he could use him as a test subject.]]
118	** ''Film/KamenRiderReviceBattleFamilia'' has terrorist leader Azuma, another Giff worshipper [[spoiler:and [[ThereIsAnother one of two]] ancient humans who received immortality from Giff]] looking to "judge" humanity.
119	** ''Recap/KamenRiderJeanneAndKamenRiderAguileraWithGirlsRemix'' has Ms. Titan, the leader of a resurgent [[Series/KamenRiderStronger Black Satan]].
120	* ''Series/KamenRiderGeats'' has [[TheBigBadShuffle a lot of twists and turns]] as to who this is, until it's revealed to be [[spoiler:Suel, who created the Desire Grand Prix and Jyamato and caused the disappearance of Ace's mom.]]
121	** ''Film/KamenRiderGeats4AcesAndTheBlackFox'' has Mela, a criminal from the future who is the mastermind behind the "World Doomsday Game".
122	** ''[[Recap/KamenRiderGeatsExtraKamenRiderPunkJack Kamen Rider PunkJack]]'' has [[spoiler: Kazuki Mashima, who is trying to get his wish of taking over the world granted.]]
123	** ''[[Recap/GeatsExtraKamenRiderTycoonMeetsKamenRiderShinobi Kamen Rider Tycoon meets Kamen Rider Shinobi]]'' has Amakusa Shiro Tokisada, the new leader of the Niji no Hebi who is trying to obtain the power of every ninja Kamen Rider.
124	** ''[[Recap/GeatsExtraKamenRiderGazer Kamen Rider Gazer]]]'' has Nemeru/Kamen Rider Gazer Zero, who is trying to bring about the Jyamato god of destruction.
125	** ''Film/KamenRiderGeatsJyamatoAwaking'' has an BigBadEnsemble between [[spoiler: Future!Ace and Aoto/King Jyamato.]]
126
127	'''Crossover Films'''
128
129	* ''Movie War 2010'' has Dai-Shocker resurrected as Super Shocker, led by [[spoiler:Eijiro Hikari/Dr. Shinigami and Narutaki/Colonel Zol]], who are in turn usurped by [[spoiler:[[GoneHorriblyRight the Neo Organism]]. Again.]]
130	** ''Double's'' portion of ''Movie War 2010'' has the Dummy Dopant, who combines with the aforementioned [[spoiler:Neo Organism]] to become [[LegoGenetics Ultimate D]], bringing ''Decade'' and ''Double'' together.
131	* ''Movie War Core'': [[EvilKnockoff Kamen Rider Core]], an energy Rider seeking to rule the world serves as the [[FinalBoss climax villain]] of the film although [[Series/KamenRiderOOO Giru the Dinosaur Greeed]] made his presence known and the ''OOO'' portion of the film had [[HalfHumanHybrid Nobunga]] as the main menace to the heroes.
132	* Fitting for a milestone celebration, ''Film/OOODenOAllRidersLetsGoKamenRiders'' has Shocker which, thanks to a [[ButterflyOfDoom change in history]], succeeded in defeating the Kamen Riders and taking over the world. By the present day, they've grown into a LegionOfDoom comprising all the villains in the ''Kamen Rider'' franchise up until that point.
133	* ''Film/KamenRiderXKamenRiderFourzeAndOOOMovieWarMegamax'': [[AxCrazy Lem Kannagi]]/[[OneWingedAngel Super Galaxy King]], a [[NebulousEvilOrganization Foundation X]] researcher seeking to become ruler of the world. Meanwhile Poseidon, a nefarious Rider from the future, serves as the villain of the ''OOO'' portion.
134	* ''Film/KamenRiderXKamenRiderWizardAndFourzeMovieWarUltimatum'' has [[AdaptationalVillainy The Akumaizer]], a group of demons heading an [[LegionOfDoom army of revived monsters]] to invade the world, though the ''Fourze'' portion has [[Series/KamenRiderFourze Hercules Zodiarts]].
135	* ''Film/KamenRiderXKamenRiderGaimAndWizardTheFatefulSengokuMovieBattle'': [[EvilKnockoff Kamen Rider Bujin Gaim]], a Rider from the [[AlternateUniverse Warring Period World]] seeking to conquer it, serves as this for most of the movie.
136	** The ''Wizard'' portion has the standalone [[Series/KamenRiderWizard Ogre Phantom]], who seeks to devour all other Phantoms in the world to become the most powerful and creates an EvilKnockoff of Koyomi to mess with Haruto.
137	* ''Film/KamenRiderXKamenRiderDriveAndGaimMovieWarFullThrottle'': [[AssimilationPlot Megahex]], a cybernetic HiveMind seeking to assimilate all life into itself. The ''Drive'' portion has [[PhantomThief Zoruko Tojo/Kamen Rider Lupin]] for it, though after he's dealt with his robotic gets absorbed into Megahex and Megahex takes the spot again.
138	* ''Film/KamenRiderXKamenRiderGhostAndDriveSuperMovieWarGenesis'' has the [[AGodAmI Da Vinci Gamma]].
139	* ''Film/KamenRiderGenerationsDrPacmanVsExAidAndGhostWithLegendaryRiders'' has [[Main/MadScientist Dr. Pac-Man/Michihiko Zaizen]] who also counts as a GreaterScopeVillain for ''Ex-Aid'' itself, revealing that [[spoiler:his team was behind the creation of game disease and had a crucial role in the emergence of the Bugster virus, namely in surgically extracting Parado from Emu's body, bringing about the original Bugster virus that all other strains of game disease descend from.]]
140	* ''Film/KamenRiderHeiseiGenerationsFinalBuildAndExAidWithLegendRiders'' has the BigBadDuumvirate of [[MadScientist Kaisei Mogami]] from the AlternateUniverse where ''Build'' takes place and his AlternateSelf from the prime ''Kamen Rider'' reality, who is also a powermad member of Foundation X like Lem Kannagi before him. The two incarnations of Mogami transform into Kaiser and Kaiser Reverse respectively, then merge into [[FusionDance Bikaiser]].
141	* ''Film/KamenRiderHeiseiGenerationsForever'' has the Time Jacker Tid, who's out to erase the history of the Heisei Kamen Riders.
142	* ''Film/KamenRiderReiwaTheFirstGeneration'' has the Time Jacker Finis, who caused the BadFuture of the film by creating Another Zero-One, all to distract Sougo and the gang from her true goal of obtaining the powers of the [[Series/KamenRider first Kamen Rider]].
143	* ''Film/KamenRiderSaberPlusKikaiSentaiZenkaigerSuperHeroSenki'' has Asmodeus, the "ultimate entity" who was previously sealed away in Saber's world by the Sword of Logos.
144	* ''Film/KamenRiderBeyondGenerations'' has [[spoiler:Diablo, a "Devil of Mystery" connected with Giff who is responsible for the BadFuture of 2071.]]
145	* ''Film/KamenRiderGeatsXKamenRiderReviceMovieBattleRoyale'' has [[DangerousDeserter Colus]] [[spoiler: the first Game Master of the Desire Grand Prix who transforms it into the Desire Royale.]]
146
147	'''Super Hero Taisen'''
148
149	* ''Film/KamenRiderXSuperSentaiSuperHeroTaisen'' has a BigBadEnsemble between Tsukasa Kadoya, leading a resurgent Dai-Shocker, and [[Series/KaizokuSentaiGokaiger Emperor (formerly Captain) Marvelous]] leading the Dai-Zangyack alliance of resurrected ''Franchise/SuperSentai'' villains, both of whom are looking to eliminate the heroes of each other's respective franchises. [[spoiler:However, in the end it turns out both were being used by [[Series/KamenRiderDecade Narutaki]]/the fake [[Series/KamenRiderV3 Doktor G]] and [[Series/ChoudenshiBioman Rider Hunter Silva]], who promptly combine the two organizations into the Shocker-Zangyack Alliance. Except Tsukasa and Marvelous knew they were being used and were playing along to figure out the villains' real plans. Once the Alliance is wiped out, the final opponent of the movie is Daiki Kaito, who commandeers the Big Machine all because Tsukasa's deception pissed him off.]]
150	* ''[[Film/KamenRiderXSuperSentaiXSpaceSheriffSuperHeroTaisenZ Super Hero Taisen Z]]'' has Shadow Moon, leader of Space Shocker, in a BigBadDuumvirate with Strategist Reider of the [[Series/SpaceSheriffSharivan Space Crime Syndicate Madou]] to revive the latter's master, Demon King Psycho.
151	* ''Film/HeiseiRiderVsShowaRiderKamenRiderWarsFeaturingSuperSentai'' sees the return of the Badan Empire and its Generalissimo, having reformed Badan into a LegionOfDoom of undead villains.
152	* ''Film/SuperHeroTaisenGPKamenRider3'' has the Great Leader, who has yet again used TimeTravel to achieve world domination for Shocker, after first making his return known in ''[[Recap/ShurikenSentaiNinningerVsKamenRiderDrive Ninninger vs. Drive]]''.
153	* ''Film/KamenRiderXSuperSentaiChouSuperHeroTaisen'' has [[spoiler:a BigBadDuumvirate of [[CreepyChild Eight Kirino]] and [[EvilKnockoff Another Hiiro Kagami]]]], who are usurped in the climax by the return of Shocker now led by Shocker Leader III.
154
155	'''Spin-offs'''
156
157	* ''Series/KamenRiderSD'', a comedic ContinuityReboot minifranchise, has the Great Leader back, now as the master of Gran Shocker, an alliance of villains up to ''Black RX''.
158	* ''Film/KamenRiderTheFirst'', a ContinuityReboot film, has Shocker led by the Elderly Gentleman, actually Doctor Shinigami, a [[Main/TheDragon Dragon]] from the original series. The sequel ''Film/KamenRiderTheNext'', which adds ''V3'' to the mix while keeping the bad guys as Shocker, brings back the Great Leader.
159	* The AffectionateParody ''Film/KamenRiderG'' has Daido Oda (Phylloxera Worm), field leader of the terrorist organization Shade working to get their true leader Seizan Tokugawa busted out of prison.
160	* The AlternateContinuity ''Series/KamenRiderAmazons'' has a BigBadEnsemble: the scattered Amazons are the main threat and largely operate on their own, though some of the more powerful Amazons (like the Bat or Ant Queen) are able to command weaker members of their kind. On the other side, the Nozama Pharmacy (specifically their chairman, Takaaki Tenjo) are responsible for creating them in the first place and are willing to let people die brutal, gory deaths and keep the four thousand maneating monsters roaming the countryside secret just to keep the Amazon Cells to themselves. [[spoiler:To top it all off, Tenjo ''released'' the Amazons in the first place to cause this whole mess.]] Season 2 is a bit more complicated [[spoiler:as Mamoru and his group started the new outbreak, Jin is constantly hunting down Chihiro with intent to kill him, and Nanaha (now an Amazon) is rampaging about and becomes Jin's FinalBoss.]] Though [[spoiler:Tenjo could still be considered the overall BigBad, seeing as every single thing that happens in both seasons was because of him releasing the Amazons in the first place.]] The GrandFinale movie ''Film/KamenRiderAmazonsTheLastJudgement''' has [[Main/EvilCounterpart Einosuke Mido/Kamen Rider Amazon Neo Alpha]].
161
162	'''Web Miniseries'''
163
164	* Carrying on from where ''Super Hero Taisen'' GP left off, ''[[Recap/KamenRiderDriveKR4Ep1DeathmatchTheKamenRiderDiedThreeTimes Kamen Rider 4]]'' has the Great Leader, once again trying to use TimeTravel to restore Shocker.
165	* ''[[Recap/KamenRiderExAidKamenSentaiGorider Kamen Sentai Gorider]]'' has Kuroto Dan, who masterminded the events of the miniseries as a means to revive himself and was incognito as [[spoiler:[[Series/KamenRiderBlade Kazuma Kenzaki]]]] all along.
166	* ''[[Recap/KamenRiderZeroOneKamenRiderGenmsThePresidents Kamen Rider Genms ~The Presidents~]]'' has Kuroto Dan [[spoiler:and Masamune Dan]]. The beginning however reveals that the Ark [[NotQuiteDead is still active]] and TheManBehindTheMan, as it was the one responsible for Gai getting infected by Kuroto's Bugster virus strand.
167	* ''Recap/KamenRiderSaberXGhost'' and ''Recap/KamenRiderSpecterXBlades'' have a trio of Danton's former followers, who create clones of Kanon for a mysterious purpose and later end up [[VillainTeamUp allying]] with Desast by chance.
168	* ''Series/KamenRiderOutsiders'' has a BigBadEnsemble between [[TheComputerIsYourFriend Zein]], an AI that seeks to [[HobbesWasRight subjugate mankind because of their capacity for evil]], and Foundation X, who form the titular VillainProtagonist team to [[EvilVersusEvil combat]] Zein.
169
170	'''Adaptations'''
171
172	* ''Series/MaskedRider'', adapted from ''Black RX'', has Count Dregon (General Jark) as BigBad and rival to [[Series/MightyMorphinPowerRangers Lord Zedd]], while the Crisis Emperor is DemotedToExtra as Lavasect, a MonsterOfTheWeek.

Context BigBad / KamenRider