
Quick answer — Katsuya Shiga voices Griffon Kato in FAIRY TAIL × RAVE, Mars in Casshern Sins, Toshiyoshi Kawaji in Rurouni Kenshin The Movie.
Katsuya Shiga voices Griffon Kato (FAIRY TAIL × RAVE), Mars (Casshern Sins), Toshiyoshi Kawaji (Rurouni Kenshin The Movie).
Griffon Kato is voiced in Japanese by Katsuya Shiga.