Kazuki Yao
Voice ActorWorking under the agency Max Mix, Kazuki Yao is a veteran Japanese actor and narrator who voices Mounblutain in the One Piece anime.
One Piece Role
Kazuki Yao provides the Japanese voice of Mounblutain in the One Piece anime, part of a long career built on narration and character work across Japanese television.
Frequently Asked Questions
Who does Kazuki Yao voice in One Piece?
Kazuki Yao provides the Japanese voice of Mounblutain in the One Piece anime. The role is part of a long career built on narration and character work across Japanese television.
What agency represents Kazuki Yao?
Kazuki Yao is currently affiliated with the talent agency Max Mix. He continues his work there as an actor and narrator.
Who is Kazuki Yao married to?
Kazuki Yao is married to fellow performer Natsuki Hayashi. The pair share a background in Japanese entertainment alongside his four-decade voice acting career.
When was Kazuki Yao born?
Kazuki Yao was born on June 17, 1959. He has gone on to build a career spanning four decades in Japanese television and anime.
How long has Kazuki Yao worked in Japanese television and anime?
Yao has built his career across four decades, working since 1970 as an actor and narrator in Japanese television and anime. That longevity includes his role as Mounblutain in One Piece.
Sources & Information
This content is original writing by Daddy Jim Anime 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 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 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.
- Licensed imagery: Photographs of real people, including creators, voice actors and production staff, are used under licence from the rights holder or the applicable stock provider, or under the terms of a public licence permitting editorial use. Each such image is reproduced in its licensed form and remains the property of its owner.
- Exceptions: Limited exceptions to the practices described above may apply to individual entries. Where an exception applies, it is noted on the entry itself alongside the applicable attribution. Rights holders may contact us regarding any attribution and it will be reviewed promptly.
Official resources:
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