From Sonic Retro
Masami Kikuchi (菊池 正美, born April 24, 1960) is a veteran seiyuu who was born in Nagano. He voiced Sonic the Hedgehog in the Sonic the Hedgehog OVA, and is perhaps best known as the voice of Tenchi Masaki in Tenchi Muyo! Ryo-Ohki and its spinoffs.
- Masami Kikuchi at IMDB