Ken Yamaguchi
was a Japanese actor, voice actor and narrator. He was represented by OYS Produce. His son is a fellow voice actor .He was most known for the roles of Ashuraman, The Omegaman, Prisman (''Kinnikuman: Scramble for the Throne''), Genji Togashi (''Sakigake!! Otokojuku''), Flazzard (''Dragon Quest: Dai's Great Adventure''), Black Dragon (''Saint Seiya''), and Ein (''Fist of the North Star'').
Yamaguchi died on October 24, 2011, due to acute heart failure. Provided by Wikipedia