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Kōichi Yamadera

Kōichi Yamadera

Voice Actor

Koichi Yamadera is one of the most recognizable voice performers in Japanese anime, active since the mid-1980s and famed for roles ranging from Spike Spiegel in Cowboy Bebop to Beerus in Dragon Ball Super. He also lends his voice to Togusa, the veteran detective of Section 9, throughout the Ghost in the Shell franchise.

Agency: Across Entertainment
Role: Voice Actor
Nationality: Japanese
Years Active: 1985-present
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Ghost in the Shell Role

Yamadera voices Togusa, the former police detective recruited into Public Security Section 9, across the Ghost in the Shell anime series and films. As the team's most conventionally human member, Togusa often serves as an audience entry point into the unit's cyberpunk investigations, and Yamadera's performance grounds the character's grittier, less augmented perspective. He has carried the role across multiple Stand Alone Complex seasons and related projects.

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Career and Notable Roles

Beyond Ghost in the Shell, Yamadera is one of anime's most versatile voice actors, known for Spike Spiegel in Cowboy Bebop, Ryoji Kaji in Neon Genesis Evangelion, and Beerus in Dragon Ball Super, among a vast catalog of credits since the mid-1980s. He also works extensively as the Japanese dubbing voice for major Hollywood stars including Will Smith, Eddie Murphy, and Jim Carrey. A trained singer as well as an actor, he has built a career spanning television, film, video games, and narration work.

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Frequently Asked Questions

Who does Koichi Yamadera voice in Ghost in the Shell?

Yamadera voices Togusa, the former police detective recruited into Public Security Section 9, across the Ghost in the Shell anime series and films, carrying the role across multiple Stand Alone Complex seasons and related projects.

What is Koichi Yamadera best known for?

He's widely known for voicing Spike Spiegel in Cowboy Bebop and Beerus in Dragon Ball Super, among a vast catalog of anime credits dating back to the mid-1980s.

What other anime has Koichi Yamadera voiced?

He also played Ryoji Kaji in Neon Genesis Evangelion, alongside his Cowboy Bebop and Dragon Ball Super roles.

Does Koichi Yamadera dub Hollywood actors?

Yes, he works extensively as the Japanese dubbing voice for major Hollywood stars including Will Smith, Eddie Murphy, and Jim Carrey.

What talent agency represents Koichi Yamadera?

He's represented by Across Entertainment and has been active in voice acting since 1985.

Sources & Information

This content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to Toei Animation and Shueisha.
  • Game pages: official box art, credited to Bandai Namco, Atari, and other publishers.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.

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