Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo), better known by his stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei) is a Japanese voice actor and actor from Fukuoka, affiliated with Gokū and 21st Century Fox. He is best known for the roles of Ranma Saotome (Ranma ½), Jackson Neil (Miracle Girls), Tombo (Kiki's Delivery Service), Yattaro (Kyattou Ninden Teyandee), InuYasha (InuYasha), Ryuichi Sakuma (Gravitation), L (Death Note), Usopp (One Piece), Hideyoshi (Law of Ueki), and Kaito Kid and Shinichi Kudo (Case Closed). His current starring roles include that of Raimon "Monta" Taro, the Deimon Devil Bats' ace receiver in Eyeshield 21.
Yamaguchi has appeared in eroge as Kyōya Ushihisa (牛久 京也, Ushihisa Kyōya). He made his first public appearance in North America at Otakon 2008; and was also a guest at Sakura-Con 2009. Yamaguchi's third appearance to date has been at Animazement in 2010.
He is married and has a daughter, Akane Yamaguchi (山口 茜), and a son, Ryunosuke Yamaguchi (山口 竜之介), who also are voice actors.
Description above from the Wikipedia article Kappei Yamaguchi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Bucchigiri?! Revival! Tonight is BUCCHI Back to the Chinese Food! (2024)
as Komao Sakigake
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train (2023)
as Kaito Kuroba (voice)
Detective Conan: Episode One - The Great Detective Turned Small (2017)
as Shinichi Kudo (voice)
Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderland (2016)
as Ticket (voice), ToQger Equipment Voice
The Disappearance of Conan Edogawa: The Worst Two Days in History (2014)
as Shinichi Kudo (voice)
Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special (2014)
as Ticket / ToQger Equipment (voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai (2014)
as ToQger Equipment Voice
Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War (2014)
as ToQger equipment (voice)
One Piece Episode of Merry: The Tale of One More Friend (2013)
as Usopp (voice)
It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday (2008)
as Inuyasha / Ranma Saotome ♂ (voice)
Pokémon Mystery Dungeon: Explorers of Time & Darkness (2007)
as Chimchar (voice)
One Piece: The Desert Princess and the Pirates: Adventure in Alabasta (2007)
as Usopp / Lashes (voice)
Inuyasha the Movie 2: The Castle Beyond the Looking Glass (2002)
as Inuyasha (voice)
One Piece: Chopper's Kingdom on the Island of Strange Animals (2002)
as Usopp (voice)
Kindaichi Case Files Movie 1: The Opera House Murders (1996)
as Hajime Kindaichi (Voice)
Butt Attack Punisher Girl Gautaman: The Birth of Gautaman (1994)
as Shibuya (voice)
Blue Memories: Boys, Colonizing Manchuria and Mongolia (1993)
as Kyota Suzuki (voice)
Inferious Interplanetary War Chronicle - Condition Green (1991)
as Oscar Cloud (voice)