Back
Ian Sinclair

Ian Sinclair

Voice Actor

Ian Sinclair is an American voice actor who supplied the English-language voice of Shupeal in the One Piece anime's Funimation dub.

Role: Voice Actor
Nationality: American
Years Active: 2004-present
Text Size

One Piece Role

Sinclair voiced the character Shupeal for the English-language dub of One Piece, produced by Funimation. The credit sits within a much larger catalog of dub work he has built up for the studio over the years.

Text Size

Career and Notable Roles

Sinclair has become one of the more recognizable voices in modern English-language anime dubbing, best known for playing Sosuke Aizen in Bleach and Zenitsu Agatsuma in Demon Slayer: Kimetsu no Yaiba, two long-running roles that have earned him a large fan following.

Share this resource

Frequently Asked Questions

What characters has Ian Sinclair voiced?

Ian Sinclair is best known for playing Sosuke Aizen in Bleach and Zenitsu Agatsuma in Demon Slayer: Kimetsu no Yaiba, two long-running roles with a large fan following. In the English dub of One Piece, he also voices Shupeal.

Who does Ian Sinclair voice in Bleach?

In Bleach, Sinclair voices Sosuke Aizen, one of the roles that has built his large fan following in English-language anime dubbing.

Who does Ian Sinclair voice in Demon Slayer?

Sinclair voices Zenitsu Agatsuma in Demon Slayer: Kimetsu no Yaiba, a long-running role alongside his work as Sosuke Aizen in Bleach.

Who does Ian Sinclair voice in One Piece?

Sinclair voiced the character Shupeal for the English-language dub of One Piece, produced by Funimation, a credit that sits within his much larger catalog of dub work.

What is Ian Sinclair's nationality?

Ian Sinclair is an American voice actor recognized as one of the more prominent voices in modern English-language anime dubbing. His work spans roles across multiple long-running anime franchises.

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

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.

Help Us Keep This Wiki Accurate

Daddy Jim Headquarters maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.