Matthew Mercer
Voice ActorMatthew Mercer is an American voice actor and game designer who has worked in animation and video games since 2002, voicing Trafalgar Law in the English dub of One Piece produced by Toei Animation.
One Piece Role
In the English-language dub of One Piece, Mercer voices Trafalgar Law, the calculating Heart Pirates captain who becomes one of Luffy's most important allies. The role is one of many major anime dub casting choices in his career, sitting alongside similarly prominent parts he has taken in other long-running English-language adaptations of Japanese series.
Career and Notable Roles
Mercer is one of the most prolific voice actors in English-language anime and video games, known for roles such as Levi Ackerman in Attack on Titan, Jotaro Kujo from JoJo's Bizarre Adventure, and Leon S. Kennedy in the Resident Evil games, alongside characters in Overwatch, Fire Emblem, and Final Fantasy VII Rebirth. He is also widely recognized outside voice acting as the Dungeon Master and chief creative officer behind the tabletop role-playing series Critical Role, which he has run since it began in 2015.
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Frequently Asked Questions
Which characters did Matthew Mercer voice?
Mercer has voiced numerous major roles in English-language anime and games, including Levi Ackerman in Attack on Titan and Jotaro Kujo in JoJo's Bizarre Adventure. He also voices Leon S. Kennedy in the Resident Evil game series.
Who does Matthew Mercer voice in One Piece?
Mercer voices Trafalgar Law in the English dub of One Piece, the calculating Heart Pirates captain who becomes one of Luffy's most important allies. The dub is produced by Toei Animation.
Who is Matthew Mercer?
Matthew Mercer is an American voice actor and game designer who has worked in animation and video games since 2002. He is one of the most prolific voice actors in English-language anime and video games.
What is Matthew Mercer best known for besides voice acting?
Outside voice acting, Mercer is widely recognized as the Dungeon Master and chief creative officer behind the tabletop role-playing series Critical Role. He has run the series since it began in 2015.
What video games has Matthew Mercer voiced characters in?
Beyond his anime dub work, Mercer has voiced characters in Overwatch, Fire Emblem, and Final Fantasy VII Rebirth. His video game work spans multiple major franchises alongside his anime dubbing career.
Sources & Information
This content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Rights holders
- Created byEiichiro Oda
- Published byShueisha
- Animated byToei Animation
All rights belong to their respective owners.
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 Toei Company.
- Game pages: official box art for the One Piece console and mobile games, credited to Bandai Namco.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Eiichiro Oda.
Official resources:
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