Shin-ichiro Miki
Voice ActorShin-ichiro Miki is a Japanese voice actor known for his smooth, calm delivery, who voices Gyro Zeppeli in the JoJo's Bizarre Adventure fighting games All-Star Battle R and Eyes of Heaven. He is also a franchise lead in Bleach, Gundam, and Fullmetal Alchemist: Brotherhood.
JoJo's Bizarre Adventure Role
Miki voices Gyro Zeppeli, the Steel Ball Run deuteragonist and Johnny Joestar's partner in the cross country race at the center of the story, across the JoJo's Bizarre Adventure fighting games All-Star Battle R and Eyes of Heaven. The 2025 television adaptation of Steel Ball Run ultimately cast a different actor for the anime itself, leaving Miki's version of Gyro tied specifically to the franchise's game releases. His smooth, controlled delivery suited a character built around discipline and technique, the qualities that define Gyro's spin based fighting style.
Career and Notable Roles
Miki has voiced a run of major anime leads over more than three decades, including Kisuke Urahara in Bleach, Roy Mustang in Fullmetal Alchemist: Brotherhood, and Lockon Stratos in Mobile Suit Gundam 00. He also plays Takumi Fujiwara in Initial D and Zamasu in Dragon Ball Super, and performs as a singer in the band Weiss alongside fellow voice actor Takehito Koyasu. He won Best Actor in a Supporting Role at the Seiyu Awards and remains affiliated with the talent agency 81 Produce.
Frequently Asked Questions
What anime is Shinichiro Miki in?
Miki has voiced major leads across dozens of anime, including Kisuke Urahara in Bleach, Lockon Stratos in Mobile Suit Gundam 00, and Takumi Fujiwara in Initial D. He also plays Zamasu in Dragon Ball Super.
What is Shinichiro Miki's most famous role?
Miki is widely known for playing Roy Mustang in Fullmetal Alchemist: Brotherhood, a role that sits among the run of major anime leads that earned him a Seiyu Award for Best Actor in a Supporting Role. His smooth, controlled delivery has made him a go-to choice for calm, commanding characters.
Who does Shin-ichiro Miki voice in JoJo's Bizarre Adventure?
Miki voices Gyro Zeppeli, Johnny Joestar's partner in the cross-country Steel Ball Run race, across the JoJo's Bizarre Adventure fighting games All-Star Battle R and Eyes of Heaven. The 2025 television adaptation of Steel Ball Run cast a different actor for the anime, leaving Miki's version of Gyro tied specifically to the franchise's game releases.
Is Shin-ichiro Miki a singer as well as a voice actor?
Yes, Miki performs as a singer in the band Weiss alongside fellow voice actor Takehito Koyasu. The group is one of several music side projects among Japanese voice actors who work across both anime and the music industry.
Who is Shin-ichiro Miki?
Shin-ichiro Miki is a Japanese voice actor born in 1968, who has worked in the industry since 1989. He is affiliated with the talent agency 81 Produce and has built one of anime's most recognizable smooth, calm vocal deliveries.
Sources & Information
This content is original writing by Daddy Jim Anime based on the JoJo's Bizarre Adventure anime series, manga, and official materials. JoJo's Bizarre Adventure was created by Hirohiko Araki, published by Shueisha, and animated by David Production. All rights to JoJo's Bizarre Adventure and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
Rights holders
- Created byHirohiko Araki
- Published byShueisha
- Animated byDavid Production
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:
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