Kappei Yamaguchi

Mitsuo Yamaguchi (山口 光雄 Yamaguchi Mitsuo, born May 23, 1965), better known by his stage name of Kappei Yamaguchi (山口 勝平 Yamaguchi Kappei), is a Japanese voice actor from Fukuoka, Japan. He has also been credited as Kyōya Ushihisa (牛久 京也 Ushihisa Kyōya).

He made his debut in 1989 with the role of Ranma Saotome in Ranma ½. He is best known for voicing lead characters in long-running popular anime shows; primarily voicing children or young characters, but has also occasionally taken roles of adult characters. Some other well-known characters he voiced include Shinichi Kudo and Kaito Kid in Detective Conan, Usopp in One Piece, InuYasha in InuYasha and L in Death Note, among many others.

He is affiliated with Gekidan21 Seiki Fox. He is married and has a son. 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 also made a fourth appearance in Hawaii at Kawaii Kon in 2011.