Characters / Kamen Rider Kiva

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Wataru Kurenai/Kamen Rider Kiva

Live actor: Koji Seto
Suit actor: Seiji Takaiwa

A shy violinist who fights Fangires as Kamen Rider Kiva.

  • All Your Powers Combined: DoGaBaKi Form. The Hyper Battle DVD takes this Up to Eleven with DoGaBaKi Emperor Form.
  • Betty and Veronica: The Betty to Taiga's Veronica for Mio's Archie.
  • Cultured Badass: He'll kick your ass, then go back to playing his violin.
  • Dark Is Not Evil
  • The Dreaded: Nago, Shima and Megumi speak of Kiva as a terrifying, mysterious spectre who preys on humanity, when he is in fact a meek shut-in whose hobbies include taking baths and collecting bizarre smelly items for the purpose of making violins. It helps that Wataru basically never speaks as Kiva, leading to his reputation as a silent killer as opposed to The Quiet One.
  • Elemental Powers
  • Extreme Doormat: Wataru's often subscribed to magazines he doesn't want and buys things that he doesn't need because he doesn't like refusing others. Of course, Character Development has helped him for the better.
  • Finishing Move
    • Kiva Form: (Rider Kick) Darkness Moon Break
    • Garulu Form: (Rider Slash) Garulu Howling Slash
    • Basshaa Form: (Rider Shooting) Basshaa Aqua Tornado
    • Dogga Form: (Rider Thrust) Dogga Thunder Slap
    • DoGaBaKi Form: (Rider Kick) A stronger version of the Darkness Moon Break.
    • Emperor Form
      • (Rider Kick) Emperor Moon Break
      • (Rider Slash) Emperor Howling Slash
      • (Rider Shooting) Emperor Aqua Tornado (While never shown in series, it was shown in Kamen Rider: Battride War)
      • (Rider Thrust) Emperor Thunder Slap
      • (Rider Slash) Final Zanvat Slash
    • Flight Style: Bloody Strike
    • DoGaBaKi Emperor Form: (Rider Kick) DoGaBaKi Emperor Break
  • Furo Scene: Wataru has a scene in a bath basically Once an Episode.
  • The Hero
  • Half-Human Hybrid: Dhampyr-like; Wataru himself didn't know until #36. Though it should be noted that unlike most Dhampyrs in fiction, his mother is the vampire parent.
    • Hybrid Power: His Fangire side allows him to become Kiva and his human side prevents him from feeling the urge to drain human life energy. However, the fact that he is only half-Fangire also prevents him from being able to utilize the full power of Kiva. This is illustrated by the chains binding his Rider form. Furthermore, his human blood keeps his Fangire side in line; if let loose, Wataru becomes more or less an animal as shown in #39 and #40.
  • Heroic B.S.O.D.
  • Hikikomori: Bat pun aside, this is Wataru at the beginning of the series. He improves, then regresses after the death of a loved one, only to come back stronger.
  • His Heart Will Go On: Mio encourages Wataru to live on after her death, and, as indicated by the epilogue, in the future, Wataru has a son with an unknown woman.
  • Hunter of His Own Kind: A half-Fangire, half-human who fights full-blooded Fangires.
  • Mid-Season Upgrade: DoGaBaKi Form
  • Multiform Balance
  • One-Winged Angel: His Flight Style, which is basically him turning into a freaking dragon.
  • Power Limiter: Emperor Form is actually Kiva's true form, his default form is actually a limiter because his Half-Human Hybrid nature meant his true power would've overwhelmed him originally, thus the chains on it that break off during transformation.
  • Shrinking Violet: He eventually grows out of it.
  • The Southpaw: In Garulu Form.
  • Talking with Signs: Wataru initially communicates with a notebook full of pre-written responses. At one point Megumi asks something like "You can't have a response for everything in there!" When Wataru starts actually looking for a response, she takes it away from him.
  • Took a Level in Badass: Besides the standard Next Tier Power-Up, he goes from a shut-in who thinks he's "allergic to the world" to a professional monster killer, and then takes it one step further by declaring himself the new Fangire King near the end.
  • Weapon of Choice: Garulu Saber in Garulu Form, Basshaa Magnum in Basshaa Form, and Dogga Hammer in Dogga Form.
    • Later obtains the Zanvat Sword for use with Emperor Form.
  • Vampire Hunter: Basically what Kiva does as a Kamen Rider.

Kivat-bat the 3rd

Voice actor: Tomokazu Sugita

Wataru's partner, of the Kivat race.

Megumi Aso

Live actor: Nana Yanagisawa

Shizuka Nomura

Live actor: Rina Koike

Keisuke Nago

Live actor: Keisuke Kato

The main user of the IXA system in 2008.

Kengo Eritate

Live actor: Kouhei Kumai

Mio Suzuki/Pearlshell Fangire II

Live actor: Yuria Haga


Voice actor: Akira Ishida

Taiga Nobori/Kamen Rider Saga

Live actor: Shouma Yamamoto
Suit actor: Eitoku

  • Barrier Warrior: Pulls this on the '86 King as an infant.
  • Betty and Veronica: The Veronica to Wataru's Betty for Mio's Archie.
  • Black Speech: His partner, Sagarc, is only able to speak a long forgotten Fangire language, with the exception of the words "Henshin" and "Wake Up".
  • The Evil Fangire Prince: At first, it seems like this trope is played straight - he's the son of the previous Fangire King and the first Fangire Queen, he's in line for the throne, and he's set up as a villain. However, the "evil" part is first downplayed (he's more of an anti-villain than an outright Big Bad), and eventually it's outright subverted, since he decides to work towards co-existence between humans and Fangires near the end of the series.
  • Finishing Move: Snaking Death Break
  • I Just Want to Be Loved
  • Long-Lost Relative: To Wataru - they were friends as children but had no idea they were brothers.
  • Patricide: Teams up with Wataru to kill his father, King/The Bat Fangire. Unlike most examples, there is no My God, What Have I Done?, mainly because King is a total bastard.
  • Self-Made Orphan: At first, it seems like he's played this trope straight, seemingly having killed both his mother and his father. Subverted when it turns out that he didn't kill his mother.
  • Transformation Trinket: Sagarc
  • Royal Rapier/Whip Sword: Jacorder


Otoya Kurenai

Live actor: Kouhei Takeda

Wataru's father, a master violinist whose location is unknown in 2008. He is the main Kamen Rider Ixa in 1986.

Yuri Aso

Live actor: Yu Takahashi

Megumi's mother.

Kivat-bat the 2nd

Voice actor: Tomokazu Sugita

Kivat's father


Mamoru Shima

Akira Kido

     Arms Monsters 

Survivors of the great Fangire massacre, a Wolfen, a Franken and a Merman must put aside whatever differences they had and band together for survival.


The last surviving member of the Wolfen Race. Chronologically also the first user of the IXA system.


The last surviving member of the Merman Race.


The last surviving member of the Franken Race.

     Checkmate Four 
The most powerful members of the Fangire Race.

King/Bat Fangire

The lord of Fangires.

Maya/Queen/Pearlshell Fangire I

Rook/Lion Fangire

  • The Brute
  • Dramatic Irony: The first time we see him, he's living peacefully with amnesia in the present, with good things happening to him, all while events of the past reveal his true nature.
  • Made of Iron: He survives all of his self-inflicted punishment - though one Game-Breaking Injury in the past not only caused his amnesia in '08, but comes back to bite him fatally. Made Of Irony?
  • Panthera Awesome
  • Psychopathic Manchild: Routinely makes up "games" for himself, basically boiling down to "kill a set amount of people sharing a common trait within 12 hours", with absolutely no other concerns than said game. Note also that he is pretty childish while he has amnesia.

Bishop/Swallowtail Fangire

     Kamen Rider Ixa 

1986 users: Jiro, Otoya, Yuri (#31)

2008 users: Nago, Kengo, Megumi (#31)

     Kamen Rider Dark Kiva 

1986 users: King, Otoya

2008 users: Taiga

    Movie Exclusive Characters 


A race of monsters sealed up by a Kiva from long ago before being released in modern times.

Takashi Sugimura/Kamen Rider Arc

A prison convict who awakened Arc's spirit.

Arc Kivat

Takato Shiramine/Kamen Rider Rey

An agent working for the World Wide Wing Association.

Rey Kivat