
Quick answer — Ryoutarou Okiayu voices Hisashi Mitsui in Slam Dunk, Kongming Zhuge in Ya Boy Kongming!, Hades in Record of Ragnarok III and 115 more characters.




























































Ryoutarou Okiayu voices Hisashi Mitsui (Slam Dunk), Kongming Zhuge (Ya Boy Kongming!), Hades (Record of Ragnarok III), Kunimitsu Tezuka (The Prince of Tennis), Keiichi Hiiragi (Onegai My Melody), Meisuke Nueno (Jigoku Sensei Nube), Shigeyuki Murakoshi (Giant Killing), Yuu Matsura (Marmalade Boy) and 110 more.
Hisashi Mitsui is voiced in Japanese by Ryoutarou Okiayu.