
Acting
Kappei Yamaguchi
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.
Known for
Full filmography

One Piece
1999
ACTION
Detective Conan
1996
ANIMATION
JUJUTSU KAISEN
2020
ANIMATION
JoJo's Bizarre Adventure
2012
ANIMATION
Hunter x Hunter
2011
ANIMATION
Ranma ½
1989
COMEDY
InuYasha
2000
ANIMATION
The Ancient Magus' Bride
2017
ANIMATION
Death Note
2006
ANIMATION
Sgt. Frog
2004
ANIMATION
Ranma1/2
2024
ANIMATION
Cowboy Bebop
1998
ANIMATION
Urusei Yatsura
2022
ANIMATION
Super Dragon Ball Heroes
2018
ANIMATION
Yashahime: Princess Half-Demon
2020
ANIMATION
Nadia: The Secret of Blue Water
1990
ANIMATION
Revolutionary Girl Utena
1997
ANIMATION
Yu-Gi-Oh! GX
2004
ANIMATION
GeGeGe no Kitaro
2018
COMEDY
The Twelve Kingdoms
2002
ANIMATION
Tokusou Sentai Dekaranger
2004
SCI-FI
Eyeshield 21
2005
ANIMATION
Descending Stories
2016
ANIMATION
Claymore
2007
ACTION
The Law of Ueki
2005
ANIMATION
Powerpuff Girls Z
2006
ANIMATION
Mobile Fighter G Gundam
1994
ACTION
Zenki
1995
SCI-FI
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
2020
ANIMATION
Vinland Saga
2019
ANIMATION