
Quick answer — Katsuji Mori voices Wolfgang Mittermeyer in Legend of the Galactic Heroes, Takayuki Todou in Aim for the Ace!, Masamichi Haru in RD Sennou Chousashitsu and 13 more characters.
Katsuji Mori voices Wolfgang Mittermeyer (Legend of the Galactic Heroes), Takayuki Todou (Aim for the Ace!), Masamichi Haru (RD Sennou Chousashitsu), Maximilien de Robespierre (Lady Oscar: The Rose of Versailles), Bunjiro Narusawa (Detective Conan: Magician of the Silver Sky), Garma Zabi (Mobile Suit Gundam), Nephrite (Sailor Moon), Shuu (Fist of the North Star) and 8 more.
Wolfgang Mittermeyer is voiced in Japanese by Katsuji Mori.