
Kappei Yamaguchi
Biography
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.
Also Known As
Movie Appearances

Detective Conan: Captured in Her Eyes
as Shinichi Kudo (voice)
2000

Detective Conan: The Time Bombed Skyscraper
as Shinichi Kudo (voice)
1997

Case Closed: The Fourteenth Target
as Shinichi Kudo (voice)
1998

A Tree of Palme
as Roualt (voice)
2002

One Piece: Clockwork Island Adventure
as Usopp (voice)
2001

One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
as Usopp / Lashes (voice)
2007

TIGER & BUNNY: The Beginning
as Robin Baxter (voice)
2012

Inuyasha the Movie 3: Swords of an Honorable Ruler
as Inuyasha (voice)
2003

Inuyasha the Movie 4: Fire on the Mystic Island
as Inuyasha (voice)
2004

Ranma ½: Nightmare! Incense of Spring Sleep
as Ranma Saotome ♂ (voice)
2008

Detective Conan: The Raven Chaser
as Shinichi Kudo (voice)
2009

Detective Conan: The Last Wizard of the Century
as Shinichi Kudo / Kaito Kuroba (voice)
1999

One Piece Film: Strong World
as Usopp (voice)
2009

One Piece: The Great Treasure of Tongari Island
as Usopp (voice)
2016

One Piece - En route vers l'épisode 1000
as Comédien de doublage de Usopp – Japon
2021

A Wind Named Amnesia
as Johnny (voice)
1990

Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
as Kaito Kuroba (voice)
2023

One Piece Special: Protect! The Last Great Stage
as Usopp (voice)
2003

Dead Leaves
as Retro (voice)
2004

La Blue Girl: Climax Taizen
as Nin-Nin
2002
TV Appearances

ODDTAXI
as Eiji Kakihana (voice)
2021

Yat, The Space Patrol
as カナビー
1996

Jewel BEM Hunter Lime
as バース (voice)
1996

JUJUTSU KAISEN
as 血涂(配音)
2020

The Cockpit
as Soldier Utsunomiya (voice)
1993

The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
as Oberon (voice)
2021

Ressha Sentai ToQger
as Ticket (voice)
2014

La Blue Girl
as Nin-Nin (voice)
1992

Dragon Knight: Wheel of Time
as Kakeru (voice)
1998

Pretty Guardian Sailor Moon
as Artemis (voice)
2003

Bondage Queen Kate
as Dick (voice)
1994

The Law of Ueki
as Hideyoshi Soya (voice)
2005