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Characters / Brave Exkaiser

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    Hoshikawa Family 

Kouta Hoshikawa

Voiced by: Kumiko Watanabe

The main human protagonist. After Exkaiser uses his family's new car for a body, he ends up becoming the Kaisers' Secret-Keeper.

  • Kid Hero: A child who aids Exkaiser.
  • Dream Sue: In episode 15, Kouta has a dream where he saves Kotomi from one of the Geisters by turning into King Exkaiser (or rather himself wearing King Exkaiser's armor) and curbstomps him.
  • Secret-Keeper: He's one of the few humans to know about the Kaisers.

Fuuko Hoshikawa

Voiced by: Chie Kojiro

Kouta's extremely lively older sister.

  • Cool Big Sis: To Kouta. Even if she's selfish at times and can be a little annoying to him, she does genuinely care about him and is nice to him when it counts.
  • Rescue Romance: Fuuko falls in love with a mysterious driver who saves her from being crushed by an out of control truck. The problem? It's Dash Max and naturally no such driver exists.

Jinichi and Yoko Hoshikawa

Voiced by: Tomomichi Nishimura (Jinichi), Ai Sato (Yoko)

Kouta and Fuuko's partents.

  • Drives Like Crazy: Kouta's mother is like this. It doesn't help that Exkaiser refuses to do any corrections, because it's Mother's Day.


Voiced by: Masahiro Anzai, Naoki Makishima

The family dog. He also knows of Exkaiser's identity.

  • Secret-Keeper: He knows that the family car is Exkaiser.
  • Team Pet: Of the comic-relief kind, serving as the family dog.

    Other Humans 

Kotomi Tsukiyama

Voiced by: Chisa Yokoyama

A girl who is close friends with Kouta.

Takumi Kaneari

Voiced by: Chiaki Morita

Kouta and Kotomi's rich classmate.

  • Jerk with a Heart of Gold: Takumi is a Spoiled Brat who loves rubbing his supposed superiority in everyone's faces, but is shown to have his nice moments and genuinely does care about his classmates and desire their company.
  • Spoiled Brat: He's a rich kid and views himself as entitled to anything he wants.

Osamu Tokuda

Voiced by: Kōichi Yamadera

A journalist working under Jinichi.

  • Butt-Monkey: If there's a way for something to go wrong for the poor guy and cost him a scoop for the paper, it will.
  • Throw the Dog a Bone: Tokuda finally gets his scoop when he manages to get pictures of the Final Battle with Dino Geist.

    Space Police Kaisers 

Tropes pertaining to all


Voiced by: Show Hayami

The titular character and leader of the Kaisers, a group of Space Police.

  • All-Loving Hero: As far as he's concerned, all life is a treasure, even if the life belongs to a villain. Hearing this belief inspires Dino Geist to kill himself to spite Exkaiser, and the Kaiser is clearly upset and being unable to save him.
  • BFS: Great Exkaiser's sword, which is bigger than he is (which is saying something given he's as big as the gigantic Dino Geist).
  • Combining Mecha: Can combine with his auxiliary mecha into King Exkaiser, Dragon Kaiser, and Great Exkaiser.
  • Cool Car: His vehicle mode is a futuristic sports car.
  • Cool Plane: His Dragon Jet.
  • Chest Blaster: The lion head on Exkaiser's chest isn't just for show, he's capable of firing a powerful blast of fire from the mouth.
  • Fish out of Water: Exkaiser frequently asks Kouta to explain various things about human culture to him, as it's all completely new to him.
  • Funny Bruce Lee Noises: When in Dragon Kaiser form, Exkaiser will occasionally let out high pitched noises like Bruce Lee while attacking as a homage for how Bruce is known as 'The Dragon'.
  • Humble Hero: Exkaiser saves humanity at the risk of his own life on a weekly basis, but seeks no praise for it. He gets embarrassed when praised by anyone.
  • Mid-Season Upgrade: Exkaiser's Dragon Jet, which not only gives him a ride to fly on, but can act as an independent drone mecha called Dragon and combine with him to form Dragon Kaiser.
  • Meta Mecha: Exkaiser's combinations both see him more or less get inside and pilot the larger form.
  • Super Mode: Great Exkaiser, the combination of King Exkaiser and the Dragon Jet.
  • Thou Shalt Not Kill: Exkaiser is a cop, not an executioner. While he'll destroy Monsters of the Week, those aren't sapient. The Geisters themselves are and Exkaiser might be willing to beat the hell out of them, but he wants to arrest them, not kill them, as he sees all life as precious. Indeed, at the end the Kaisers arrest the lesser Geisters and Trader and Exkaiser attempts to arrest Dino Geist after defeating him. Dino Geist had something else in mind.

Max Team

Voiced by: Daiki Nakamura (Sky Max/God Max), Mitsuaki Hoshino (Dash Max), Kōzō Shioya (Drill Max)

Raker Brothers

Voiced by: Masami Kikuchi (Blue Raker/Ultra Raker), Takeshi Kusao (Green Raker)

  • Combining Mecha: They can combine into Ultra Raker.
  • Cool Train: Blue and Green Raker have high speed bullet trains capable of flying on energy rails as their vehicle modes.


Tropes applying to all

  • Combining Mecha:
    • The lower ranked Geister generals can combine using the same bugs used to make Geister Robos to form Mad Geister...however, unlike Ultra Raker and God Max (who seem to have one consciousness formed from their components), the Geisters are all separate controlling their own body part. As the Geisters don't get along and bicker constantly, this form is pretty much completely useless.
    • Ptera Geist and Thunder Geist can do the same alone to form the centaur-like Pteder, which goes a lot better due to Ptera Geist being able to work with Thunder's Leeroy Jenkins personality when it's only him to deal with.
    • Armor Geist and Horn Geist can combine using the same method as the other Geister fusions, forming Hormor. As with Pteder, this goes much better than Mad Geister did..
  • Dumb Muscle: With the exception of Dino Geist and Ptera Geist, the Geisters are all this. Thunder Geist in particular is noted as being very strong, but very dumb.
  • Energy Beings: They are made of energy and possess machines to gain physical forms.
  • Everything's Better with Dinosaurs: They all turn into robot dinosaurs.
  • Fast Tunnelling: The Geisters other than Ptera Geist do this, and it's their main method of getting around and stealing things.
  • Fish out of Water: While their own stupidity is a big road block, the Geisters also run into this problem and often end up going after completely useless things due to misunderstanding the importance humans put on things or figures of speech. Even the generally much more competent Dino Geist runs into this issue on several occasions.
  • Friend in the Black Market: The Geisters have one, named Trader, who buys their stolen goods. Dino Geist views him as easily replaceable and outright abandons him when he gets caught.
  • Humongous Mecha: They're all at least a few stories tall.
  • Laughably Evil: Despite being the most dangerous space pirates in the Galaxy, the Geisters have a collective IQ of about 5. Ptera Geist is somewhat smarter than his allies, but not by that much. Averted with Dino Geist himself is generally a bit more intelligent than his minions, much to his frustration.
  • Rape, Pillage, and Burn: Well, except the first one, being robots and all. But according to Exkaiser, the Geisters' MO is to attack planets, pillaging everything of value while destroying everything that gets in their way.
  • Reused Character Design: All of them except for Dino Geist use the Dinobots as reference, having the same alternate modes and Kibbles and Bits, but different head designs, different color schemes, and more angular features. Specifically, Horn Geist is Slag, Armor Geist is Snarl, Ptera Geist is Swoop, and Thunder Geist is Sludge.
  • Space Pirate: The Geisters are a gang of space pirates who came to Earth seeking treasures to loot and pillage.
  • Stock Dinosaurs: Horn Geist is a triceratops, Ptera Geist is a pterodactyl, Thunder Geist is a brontosaurus, Armor Geist is a stegosaurus, and Dino Geist is a T-Rex.
  • Toyless Toyline Character: All of the Geisters sans Dino Geist, despite being based off of a characters who already had toys, never got any representation in the show's toyline.
  • Transforming Mecha: They possessed models of dinosaurs when they arrived on Earth. Dino Geist is unique in that he's a triple changer, being able to turn into a T-Rex and a jet.

Dino Geist

Voiced by: Shōzō Iizuka

Leader of the space pirates known as the Geisters. He mostly takes the form of a robotic tyrannosaurus rex.

  • Authority Equals Asskicking: Dino Geist decides to take matters into his own hands in episode 24...and shows that he's a much bigger threat than the rest of the Geisters combined. It takes all three of the Kaisers to make a dent in him. He's also far more competent than his minions, with his plan only failing because Exkaiser realized Kouta's radio being out was a sign of trouble. Great Exkaiser is the only opponent capable of fighting him evenly one on one.
  • Big Bad: The leader of the Geisters.
  • Catchphrase: Earlier on, he has "Treasure??", which is often said when he was watching TV and then somehow someone said the word, this is usually his cue to call his Geisters to steal the treasure.
  • Cool Plane: His second alternate mode.
  • Die Laughing: Dino Geist laughs as he plunges himself into the sun and kills himself as one last act of spite to Exkaiser.
  • Driven to Suicide: Dino Geist kills himself in the sun upon being defeated by Exkaiser, refusing to be arrested and imprisoned.
  • Evil Is Bigger: Dino Geist dwarfs King Exkaiser, being at least twice his size. Kouta even mentions it when he debuts.
  • Evil Is Petty: In the finale, Dino Geist throws himself into the sun to mock Exkaiser's belief that life is a treasure.
  • I Die Free: Dino Geist casts himself into the sun and destroys himself rather than being arrested by Exkaiser.
  • Large and in Charge: Dino Geist dwarfs his crew. When all of them are in dino mode, the other Geisters come up to his knees. His robot mode is at least twice as large as King Exkaiser.
  • Knight of Cerebus: While Dino Geist was present from day one, once he decides to get involved personally things get much more serious due to him being much more dangerous and competent than all his minions combined, with a lot more Near Villain Victories for the Geisters.
  • Mid-Season Upgrade: Dino Geist gets one in episode 31: the Dino Shield, which can not only defend against even Dragon Kaiser's Thunder Arrow, but unleash an extremely powerful attack. It takes literal Divine Intervention in the form of an ancient prophecy coming to past for Exkaiser to be able to damage it, let alone break through it.
  • Mouth of Sauron: Komori, Dino Geist's little bat-like minion, often fills this role, reporting Dino Geist's plans to his minions while he continues researching new things for them to steal. Or chewing them out for their stupidity. Around episode 21, he finally gets fed up enough with their stupidity to chew them out face to face.
  • Nigh-Invulnerable: Dino Geist, even by the already high standard of his species. It says a lot that being hit by a city killer level meteor, experiencing unprotected atmospheric re-entry, and then having the meteor he's being hit by blown up with Exkaiser's Finishing Move to actually do any significant damage to him.
  • No-Sell: God Max attempts to use the God Sonic Bomber on Dino Geist. It has no effect. At all. Even being triple teamed by all three of the heroes at once and taking a direct hit from Exkaiser's Thunder Flash only succeeds in creating a Smoke Shield. He doesn't lose this either, as most of the Kaiser's attacks barely make him flinch.
  • Orcus on His Throne: Dino Geist spends most of his time sitting in his lair, separate from his minions, sifting through the news media to see what Earth has that's worth stealing. It isn't until 22 he finally chooses to leave his base and start looking into things personally. Finally, in episode 24, he gets ticked off enough to take care of things personally.
  • Red Eyes, Take Warning: Has red eyes in robot mode.
  • Revenge: In episode 13, Dino Geist's plan to make Mt. Fuji erupt is explicitly revenge on Exkaiser on the heroes for constantly thwarting him rather than to steal treasure like his other plans.
  • Surrounded by Idiots: Dino Geist at several points is very frustrated about his minions lack of intelligence.
  • The Dreaded: Everyone is scared of him, and he's known as the most dangerous criminal in the universe.
  • The Juggernaut: Dino Geist once he starts acting in person. Anything except Great Exkaiser has no hope at all of meaningfully harming him, and when it requires intervention from God himself to stop you, you're this trope.
  • Vile Villain, Saccharine Show: The show has a pretty light tone to it, with most of the Geisters being Laughably Evil. However, Dino Geist himself is not played for laughs, instead always being portrayed dead seriously, and almost always sends his minions after something of genuine value rather than the random stuff they normally go after. In episode 13, his plan consists of triggering Mt. Fuji to erupt, purely for revenge on the Kaisers for constantly wrecking his plans.

Horn Geist

Voiced by: Daisuke Gōri

The stategic planner of the Geisters. He mostly takes the form of a robotic triceratops.

  • Evil Is Petty: Horn Geist tries to steal human dreams, only to find out that is completely impossible. His response? Make a monster specifically so no one can dream out of frustration for them having something unstealable.
  • Not-So-Harmless Villain: Horn Geist, while normally as incompetent as his teammates, shows this in Episode 15 when he singlehandedly creates a monster that causes havoc all over Japan by preventing people from sleeping (which as Exkaiser points out is greatly increasing the risk of traffic accidents due to sleep deprivation. Not only that, but because their passengers end up disabled by the monster's sonic waves, the Raker Brothers can't join in the fight, and the monster itself is one of the most powerful up until that point with an attack that the Kaisers have no defense against. The result is them very nearly killing Exkaiser, beating down Jet Max and Sky Max, and being one of the first monsters to seriously overpower King Exkaiser while he's wielding the Kaiser Sword.
  • The Klutz: He's pretty clumsy, and shares this trait with Armor Geist.

Armor Geist

The demolition expert of the Geisters. He mostly takes the form of a robotic stegosaurus.

Ptera Geist

Voiced by: Jurota Kosugi

The intelligence collector of the Geisters. He mostly takes the form of a robotic pteranadon.

  • The Dragon: Ptera Geist fills this role, being the smartest of the Geisters other than Dino Geist himself and the one who comes up with a lot of their plans.
  • Only Sane Man: As far as the Geisters under Dino Geist's command go, he's the only one who isn't an idiot.
  • Red Eyes, Take Warning: Has red eyes in both modes.

Thunder Geist

Voiced by: Masahiro Anzai, Naoki Makishima

The muscle of the Geisters. He mostly takes the form of a robotic apatosaurus.


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