
Quick answer — Hidenobu Kiuchi voices Kenzou Tenma in Monster, Hei in Darker than Black, Ryouhei Sasagawa in REBORN! and 46 more characters.

















































Hidenobu Kiuchi voices Kenzou Tenma (Monster), Hei (Darker than Black), Ryouhei Sasagawa (REBORN!), Kento Yamada (Chi's Sweet Home), Takada (Blue Literature Series), Toshihiko Momota (Kemonozume), Tatsumi Sekiguchi (Mouryou no Hako), Kazuya Toujigamori (Peach Girl: Super Pop Love Hurricane) and 41 more.
Kenzou Tenma is voiced in Japanese by Hidenobu Kiuchi.