Yasuhiro Mamiya

Birth Date: 07/12/1981

Born December 7, 1981, in Chiba, Japan, Yasuhiro Mamiya has carved out a distinctive niche as both a video game voice actor and anime performer. His powerful, commanding delivery brings intensity to characters like Magma in Dr. Stone and the fierce Knuckleduster in My Hero Academia. The versatile talent has lent his voice to major franchises including League of Legends, Street Fighter X Tekken, and Days Gone, where he portrayed Iron Mike with gravelly authenticity. Recently, Mamiya voiced multiple characters across 2025 anime series including Gram Cluster in My Status as an Assassin Obviously Exceeds the Hero's and appeared in Assassin's Creed Shadows, showcasing his continued relevance in contemporary gaming. What distinguishes this voice actor is his ability to embody both brutish warriors and complex supporting roles with equal conviction.

Explore 12 official voice acting credits — from Kōsei Yuzawa in Ninja vs. Gokudo to many other animated and gaming productions.

Yasuhiro Mamiya Voices

Credits on MTVA: 12 Roles from 12 Titles

ALL (12)
SHOWS (5)
MOVIES (1)
GAMES (6)

Video Games

Uou/Sao from Street Fighter 6 voiced by Yasuhiro Mamiya

Game: Street Fighter 6 (2023)

Uou/Sao (Japanese)

In the beloved video game Street Fighter 6, Uou/Sao stands out as a memorable participant in the story. The character...

Pierro from Genshin Impact voiced by Yasuhiro Mamiya

Game: Genshin Impact (2020)

Pierro (Japanese)

Pierro is a character from Genshin Impact voiced by Richard Tatum in English and Yasuhiro Mamiya.

Gibraltar from Apex Legends voiced by Yasuhiro Mamiya

Game: Apex Legends (2019)

Gibraltar (Japanese)

Most Legends step into the Apex Games chasing glory or a fat payout. For the big man from Solace, the...

“Iron Mike” Wilcox from Days Gone voiced by Yasuhiro Mamiya

Game: Days Gone (2019)

“Iron Mike” Wilcox (Japanese)

Iron Mike Wilcox is the leader of the Lost Lake camp in Days Gone, a tough survivor guiding his community...

Game: Final Fantasy XV (2016)

Ifrit (Japanese)

Ifrit is a character from Final Fantasy XV voiced by John Kassir in English and voiced by Yasuhiro Mamiya in...

Geki Gao from Fatal Fury: City of the Wolves voiced by Yasuhiro Mamiya

Game: Fatal Fury: City of the Wolves

Geki Gao (Japanese)

Geki Gao is a character from Fatal Fury: City of the Wolves voiced by Brent Mukai in English and voiced...

TV Shows & Series

Iwao Oguro /Knuckleduster from My Hero Academia: Vigilantes voiced by Yasuhiro Mamiya

TV Shows: My Hero Academia: Vigilantes (2025)

Iwao Oguro /Knuckleduster (Japanese)

Iwao Oguro /Knuckleduster is a character from My Hero Academia: Vigilantes voiced by Jason Marnocha in English and voiced by...

Kōsei Yuzawa from Ninja vs. Gokudo voiced by Yasuhiro Mamiya

TV Shows: Ninja vs. Gokudo (2025)

Kōsei Yuzawa (Japanese)

Kōsei Yuzawa is a character from Ninja vs. Gokudo voiced by Rob Coutts in English and voiced by Yasuhiro Mamiya...

Boiled from Sakamoto Days voiced by Yasuhiro Mamiya

TV Shows: Sakamoto Days (2025)

Boiled (Japanese)

Boiled is a character from Sakamoto Days voiced by SungWon Cho in English and voiced by Yasuhiro Mamiya in Japanese.

Hwang Dongsuk from Solo Leveling voiced by Yasuhiro Mamiya

Web Series: Solo Leveling (2025)

Hwang Dongsuk (Japanese)

Hwang Dongsuk is a character from Solo Leveling voiced by Jarrod Greene in English and voiced by Yasuhiro Mamiya in...

Lord Calendor from The Brilliant Healer’s New Life in the Shadows voiced by Yasuhiro Mamiya

Web Series: The Brilliant Healer’s New Life in the Shadows (2025)

Lord Calendor (Japanese)

Lord Calendor is a character from The Brilliant Healer’s New Life in the Shadows voiced by Yasuhiro Mamiya in Japanese.

Movies

Ubu from Batman Ninja vs. Yakuza League (2025) voiced by Yasuhiro Mamiya

Movie: Batman Ninja vs. Yakuza League (2025) (2025)

Ubu (Japanese)

Ubu is a character from Batman Ninja vs. Yakuza League voiced by Andrew Love in English and voiced by Yasuhiro...