
Quick answer — Mahito Tsujimura voices Foss in Berserk, Jihl in Nausicaä of the Valley of the Wind, Ferrarin in Porco Rosso and 2 more characters.
Mahito Tsujimura voices Foss (Berserk), Jihl (Nausicaä of the Valley of the Wind), Ferrarin (Porco Rosso), Tetsu (City Hunter), Dr. Slade (Black Magic M-66).
Foss is voiced in Japanese by Mahito Tsujimura.