Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo, born May 23, 1965), better known by the stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei), is a Japanese actor and voice actor affiliated with Gokū and 21st Century Fox. He currently voices Usopp in One Piece and Shinichi Kudo in Case Closed. Other roles included the male Ranma Saotome in Ranma ½, the eponymous character in InuYasha and L in Death Note. In overseas dubs, he is the Japanese voice of Kyle Broflovski, Bugs Bunny, and Crash Bandicoot.