[[folder: Hoshikawa Family and their Allies]]
!Gaku Hoshikawa

AKA '''[[color:red:Five Red]]'''. The eldest of the Hoshikawa siblings, when he was a kid, he shot Galois on the face out of fear, instigating their rivalry. As of present day, he's a science teacher, mostly dabbling in plant life/biology. Is scared of ghosts.

* CoolSword: V Sword
** BifurcatedWeapon: V Sword + Power Grip = V Shuttler.
* DisneyDeath: Died, but immediately got better thanks to Kazumi.
* GeniusBruiser
* LawOfChromaticSuperiority
* TheLeader
* PromotionToParent: Assisted with Arthur.
* SignatureMove: ''V Sword Spark''
* TheSmartGuy: A science teacher.
* TeamDad
* [[WhyDidItHaveToBeSnakes Why Did It Have to Be Ghosts?]]

!Ken Hoshikawa

AKA '''[[color:blue:Five Blue]]'''. Second eldest of the Hoshikawa siblings and the closest Gaku could get for [[TheLancer friendly rival/second in command]]. He teaches physical education (swimming), making him the strongest fighter on the team.

* TheBigGuy
* TheLancer
* LeeroyJenkins: Instigates one in the second episode, which puts himself and his siblings in a pinch, until Gaku bails them out.
* MundaneMadeAwesome: Dodges like a [[VideoGame/FinalFantasyX Blitzball]] player.
* SignatureMove: ''Rolling Arrays''
* WeaponOfChoice
** ImprobableWeaponUser: Twin Arrays [[note]]''Dumbbells with blades attached''[[/note]]
*** BifurcatedWeapon: Twin Arrays + Power Grip = Twin Risbees.
** KillerYoYo: Twin Yo-Yos

!Fumiya Hoshikawa

AKA '''Five Black'''. The twin brother of Remi and the youngest of the Hoshikawa siblings. Eventually becomes a language teacher, which grants him a lot of linguistic abilities and the ability to understand alien languages.

* KidAppealCharacter
* KnifeNut: Two of them; Power Cutter and Cutter Discs.
** BifurcatedWeapon: Power Cutter + Power Grip = Black Jaw.
* SignatureMove: ''Screw Cutter''
* TheSmartGuy: The go-guy to moonspeak with aliens.

!Kazumi Hoshikawa

AKA '''[[color:fuchsia:Five Pink]]'''. Third-born and oldest daughter of the Hoshikawa Family. Has a computer-like brain which enables her to quickly analyze enemy weakness. This kind-hearted woman is a math teacher too.

* CoolSword: Cutie Circle
** BifurcatedWeapon: Cutie Circle + Power Grip = [[ImprobableWeaponUser Circle Putter]].
* DespairEventHorizon: Which caused her to defect, but turns out that she's a... FakeDefector just to trick the monster into reviving a dead Gaku.
* {{Expy}}: Not her, but her ranger form seems to be one to [[Series/HimitsuSentaiGoranger Momorenger]] as both of them having a heart-shaped visors right down in their helmets.
* GoodWithNumbers: A Math teacher, and all.
* TheHeart
* SignatureMove: ''Circle Finish''
* [[TheSmartGuy The Smart Girl]]: See GoodWithNumbers.
* TeamMom: Sometimes, even when she's got two big brothers.
* TomboyAndGirlyGirl: Girly Girl to Remi's Tomboy.

!Remi Hoshikawa


AKA '''[[color:gold:Five Yellow]]'''. The fourth-born and the older twin sister of Fumiya. She teaches music, but is the bonafide ActionGirl. Knows Kung Fu and would teach children those in spare time.

* AnimeChineseGirl: Occasionally wears this kind of look since she utilizes Kung Fu.
* TheChick: Of the ActionGirl variety.
* DrunkenMaster: Once mastered the Drunken Fist.
* SignatureMove: ''Tact Attack''
* TomboyAndGirlyGirl: Tomboy to Kazumi's Girly Girl.
* WhipItGood: Melody Tact
** BifurcatedWeapon: Melody Tact + Power Grip = [[ImprobableWeaponUser Yellow Flute]].

!Arthur G6
* NonHumanSidekick
* PromotionToParent
* Creator/RicaMatsumoto
* RobotBuddy

[[folder:Zone Empire]]
!Empress Meadow
* BigBad: The one leading Zone in their conquests. [[spoiler:Subverted, as she's really an illusion created by Vulgyre.]]
* DeadAllAlong: [[spoiler:It turns out the real Empress Meadow died years ago and that the Empress Meadow who has been giving orders to Zone is an illusion created by Vulgyre.]]
* ImmortalityImmorality: Seeks to become immortal by destroying 1,000 planets.
* LightIsNotGood: Has a very bright colored appearance, though it becomes more reddish when she gets mad.

!Captain Garoa
* BadassMustache: He has a pretty big mustache.
* TheCaptain: of Vulgyre, Zone's flagship.
* TheDragon: He's Meadow's lead commander, though his continued failures coupled with Chevalier's arrival lead to him getting demoted and replaced by Chevalier. He eventually gains the position back though, which leads to...
** CoDragons: After being promoted back up to Captain, he shares the position of Meadow's right-hand with Chevalier.
* LawOfChromaticSuperiority
* GoodScarsEvilScars: Gaku gave him one years before the series, which established his rivalry with [=FiveRed=].
* VillainDecay: Once a genuine threat, but after a few failures and Chevalier's appearance, he decayed ''so much'' that he becomes a bumbling comic relief villain and demoted to janitor. He did restore his decay in the last arc, though.

* BlingOfWar: She wears gold-plated armor all across her body
* DarkActionGirl: She managed to take out the entire Knight Corps of a planet Zone attacked.
* FateWorseThanDeath: [[spoiler:Vulgyre combines her with Zaza and turns her into a Gasshin Gingaju along with Zaza]].
* GoMadFromTheRevelation: Finding out that [[spoiler:Vulgyre planned on enacting an Apocalypse]] broke her to LaughingMad levels.
* TheEvilGenius: Zone's resident scientist and the designer of their weapons.
* MadScientist
* RedBaron: "The Galaxy's Greatest Genius".
* UndyingLoyalty: One of Meadow's oldest followers and her most loyal.

* TheAlcoholic: As he himself put it, he only lives for sake and the sword.
* TheBrute: He's the one most commonly sent in to fight the heroes.
* MasterSwordsman: He's an incredibly skilled swordfighter.

* DarkChick: The oddball of Zone's top commanders.
* EvilCounterpart: To Remi.
* FateWorseThanDeath: [[spoiler:Vulgyre fuses her into Doldora and turns her into a Gasshin Gingaju]].
* KnifeNut: Fights primarily with knives.

* ButtMonkey
* {{Greed}}: He really ''loves'' money...
* KarmicDeath: [[spoiler: Which leads to getting him crushed by it.]]
* TeamPet

* {{Bishonen}}: Even Remi and Kazumi were charmed by his good looks. And yes, that includes Doldora and Zaza. ''[[spoiler:[[UpToEleven And Meadow/Vulgyre too!]]]]''
* TheDragon: Replaces Garoa as Meadow's right-hand soon after his arrival, though Garoa eventually manages to get promoted back up, causing the two to [[[CoDragons share]] the position.
* SixthRanger: Joins the Zone forces about halfway through the series.

[[folder:'''Massive Spoiler''']]
* BigBad: He's the true leader of Zone. Meadow is an illusion created by him.
* {{Expy}}: Hm, a living being disguised as something people can travel on who destroys planets and manipulates followers? Hey, we have another [[Series/DengekiSentaiChangeman Bazoo!]]
* GeniusLoci: He disguises himself as Zone's ''ship''.
* TheManBehindTheMan: Subverted and played straight; he's both the Man and the Man Behind the Man.
* ManipulativeBastard
* MeaningfulName: His name sounds a lot like "vulgar", and he's a very vulgar creature.
* OneWingedAngel: Galactic Super Beast Vulgyre
* StalkerWithACrush: Towards the real Princess Meadow
* WalkingSpoiler: There's a reason he has his own folder.
* WeaksauceWeakness: The Sidon Flowers are enough to cause him to crash.