
Quick answer — Masayuki Katou voices Kiyomasa Senji in Deadman Wonderland, Yoshio Kanzaki in The Skull Man, Kenji Makabe in Space Brothers and 22 more characters.
Masayuki Katou voices Kiyomasa Senji (Deadman Wonderland), Yoshio Kanzaki (The Skull Man), Kenji Makabe (Space Brothers), Youichi Aikawa (Vivy -Fluorite Eye's Song-), Kuramochi (From the New World), Demiurge (Overlord), Lagos (Patema Inverted), Gustav (That Time I Got Reincarnated as a Slime: Visions of Coleus) and 17 more.
Kiyomasa Senji is voiced in Japanese by Masayuki Katou.