This article is about a real-life person.
Information in this article is about real-life people, companies, and objects, and does not relate to the in-universe Sonic series.

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 seiyū and actor from Fukuoka, affiliated with Gokū[1] and Gekidan 21 Seiki Fox.[2] He is married and has a son.[3]


Kappei 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 recent roles include that of Raimon "Monta" Taro, the Deimon Devil Bats' ace receiver in Eyeshield 21, and Teddie from Persona 4.


Voice acting


  1. 山口勝平プロフィール
  2. Doi, Hitoshi. "Yamaguchi Kappei". Seiyuu Database. January 11, 2011. Retrieved January 10, 2011. Doi, Hitoshi (January 10, 2011).
  3. Mitsukoshi Charity Auction-1996.03.31

External links

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