
Quick answer — Norihiro Inoue voices Taichi Hiraga-Keaton in MASTER Keaton, Schneizel el Britannia in Code Geass: Lelouch of the Rebellion R2, Otoko in Kino's Journey and 6 more characters.
Norihiro Inoue voices Taichi Hiraga-Keaton (MASTER Keaton), Schneizel el Britannia (Code Geass: Lelouch of the Rebellion R2), Otoko (Kino's Journey), Keiichiro Motoura (Detective Conan: The Eleventh Striker), Atlas (Metropolis), Marco Tongi (Gunslinger Girl), Keisuke Yamanami (Peacemaker), Michael McGregor (Supernatural: The Anime Series) and 1 more.
Taichi Hiraga-Keaton is voiced in Japanese by Norihiro Inoue.