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Kappei Yamaguchi
Actor · Artist · 163 credits
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
9.3One Piece
1999
Usopp (voice)
9Hunter x Hunter
2011
Feitan (voice)
8Death Note
2006
L (voice)
9JUJUTSU KAISEN
2020
Kechizu (voice)
7InuYasha
2000
InuYasha (voice)
9.5Detective Conan
1996
Shinichi Kudo (voice)
All Work
Detective Conan: The Counterfeit Case of Ultra 30
2026
Shinichi Kudo (voice)
Assassination Classroom the Movie: Our Time
2026
Futoshi (voice)
Gintama the Movie 2026: Yoshiwara in Flames
2026
Inorin (voice)
Detective Conan: One-Eyed Flashback
2025
Shinichi Kudo (voice)
Appearances (1) — concert films, cameos, talk shows
Ressha Sentai ToQger Final Live Tour 2015
2015
Ticket / ToQger Equipment Voice (voice)
