
Quick answer — Masuo Amada voices Kusakabe in Code Geass: Lelouch of the Rebellion, Pippin in Berserk, Monev the Gale in Trigun and 18 more characters.
Masuo Amada voices Kusakabe (Code Geass: Lelouch of the Rebellion), Pippin (Berserk), Monev the Gale (Trigun), Tomoru Sakishima (A Lull in the Sea), Ganzo Alary (91 Days), Ramon (Campfire Cooking in Another World with my Absurd Skill), Harumi Oka (Let's Go Karaoke!), Moto juku koushi (Let's Go Karaoke!) and 13 more.
Kusakabe is voiced in Japanese by Masuo Amada.