Kirk Thornton
Voice ActorKirk Thornton has spent decades as an American voice actor, screenwriter, and director specializing in English-language dubs of Japanese animation, and in One Punch Man he voices the Hero Association sponsor Sitch and the hero Sneck.
One Punch Man Role
Thornton voices multiple English dub roles in One Punch Man, most notably Sneck, the A-Class hero nicknamed Biting Snake Fist who oversees F-City and runs the welcome seminar for the National Superhero Registry Test that Saitama and Genos attend. He also plays Sitch, a Hero Association executive whose financial backing covers a meaningful share of the organization's running costs, along with the character Zeniru. Across the two seasons, Thornton's characters sit on the administrative and mentor side of the hero world rather than the show's biggest action set pieces.
Career and Notable Roles
Thornton holds one of the largest credit lists of any English-dub voice actor working today, with roles spanning Klein in Sword Art Online, Jin in Samurai Champloo, Hajime Saito in Rurouni Kenshin, and Shadow the Hedgehog across the Sonic the Hedgehog games. He has also worked behind the microphone as a voice director, including co-directing dub work on Bleach.
Frequently Asked Questions
Who does Kirk Thornton voice?
Kirk Thornton's major roles include Klein in Sword Art Online, Jin in Samurai Champloo, and Shadow the Hedgehog across the Sonic the Hedgehog games. He holds one of the largest credit lists of any English-dub voice actor working today.
What is Kirk Thornton doing now?
Beyond acting, Kirk Thornton has worked as a voice director, including co-directing dub work on Bleach. He continues to be active in English-language anime dubbing.
Who does Kirk Thornton voice in One Punch Man?
Thornton voices Sneck, the A-Class hero nicknamed Biting Snake Fist who oversees F-City and runs the welcome seminar for the National Superhero Registry Test. He also plays the Hero Association executive Sitch and the character Zeniru.
Who does Kirk Thornton voice in Rurouni Kenshin?
In Rurouni Kenshin, Kirk Thornton voices Hajime Saito. The role is part of a broader career built on English-language dubs of Japanese animation.
When did Kirk Thornton start voice acting?
Kirk Thornton has worked in the industry since 1979. He is an American voice actor, screenwriter, and director specializing in anime dubbing.
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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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