Keith Silverstein
Voice ActorAmerican voice actor Keith Silverstein voices both Masamichi Yaga and Kokichi Muta, better known as Mechamaru, in the English dub of Jujutsu Kaisen. He has worked in anime, games, and animation since the late 1990s, appearing across a wide range of major franchises.
Jujutsu Kaisen Role
Silverstein voices two connected characters in Jujutsu Kaisen's English dub: Masamichi Yaga, the puppet-crafting principal of Tokyo Jujutsu High, and Kokichi Muta, the bedridden sorcerer who pilots the remote mechanical body known as Mechamaru. Playing both a mentor figure and a student who fights through a proxy gives Silverstein two distinct tones within the same series, from Yaga's administrative authority to Muta's more conflicted, secretive motivations. It is a pairing that showcases the range he brings to supporting cast work across long-running anime.
Career and Notable Roles
Among the roles that have built his career are Hisoka from Hunter x Hunter, plus Zhongli in Genshin Impact and Vector the Crocodile from the Sonic the Hedgehog series. He also lends his voice to HUNK throughout the Resident Evil games, Torbjorn in Overwatch, and voices Robert E.O. Speedwagon in the original JoJo's Bizarre Adventure, while playing the villain Hawk Moth, real name Gabriel Agreste, on Miraculous: Tales of Ladybug & Cat Noir. Outside games and animation, he has spent years in audio drama, recurring on the Christian radio series Adventures in Odyssey.
Frequently Asked Questions
Who has Keith Silverstein voiced?
In the English dub of Jujutsu Kaisen, Keith Silverstein voices both Masamichi Yaga, the puppet-crafting principal of Tokyo Jujutsu High, and Kokichi Muta, the bedridden sorcerer behind Mechamaru. Playing two connected characters within the same series shows the range he brings to supporting cast work.
What is Keith Silverstein's most iconic role?
Among the roles that have built his career, Silverstein is widely recognized for voicing Hisoka from Hunter x Hunter. It sits alongside his other genre-defining work in long-running anime and games since his career began in the late 1990s.
What other anime has Keith Silverstein been in?
Beyond Jujutsu Kaisen and Hunter x Hunter, Silverstein voices Robert E.O. Speedwagon in the original JoJo's Bizarre Adventure. He also plays the villain Hawk Moth, real name Gabriel Agreste, on Miraculous: Tales of Ladybug & Cat Noir.
What video games has Keith Silverstein voiced characters in?
Silverstein voices Zhongli in Genshin Impact and HUNK throughout the Resident Evil games. He also plays Torbjorn in Overwatch and Vector the Crocodile in the Sonic the Hedgehog series.
When did Keith Silverstein start voice acting?
The American voice actor has worked in anime, games, and animation since the late 1990s. Outside games and animation, he has also spent years in audio drama, recurring on the Christian radio series Adventures in Odyssey.
Sources & Information
This content is original writing by Daddy Jim Anime based on the Jujutsu Kaisen anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Rights holders
- Created byGege Akutami
- Published byShueisha
- Animated byMAPPA
All rights belong to their respective owners.
Character and scene imagery on this site is original artwork by Daddy Jim Anime, 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 MAPPA and Toho.
- Game pages: official box art for Jujutsu Kaisen Cursed Clash, credited to Bandai Namco.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Gege Akutami.
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