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Kappei Yamaguchi

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Kappei Yamaguchi

Yamaguchi in a Photoshoot

Mitsuo Yamaguchi (山口 光雄 Yamaguchi Mitsuo?), better known by his stage name of Kappei Yamaguchi (山口 勝平 Yamaguchi Kappei?) (May 23, 1965 - ) 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]

Voice acting career

Kappei provided the voice of Sonic in the Japanese dubs of Adventures of Sonic the Hedgehog and the Sonic the Hedgehog television series. He is also recently the Japanese voice for Q-N-C in the Sonic Boom series.

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


  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

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