Quick answer — Katsumi Fukuhara voices Kikuru Madan in Immoral Guild, Touya Mochizuki in In Another World With My Smartphone, Yukiya Araki in W'z and 8 more characters.
Katsumi Fukuhara voices Kikuru Madan (Immoral Guild), Touya Mochizuki (In Another World With My Smartphone), Yukiya Araki (W'z), Touma Soobi (86 EIGHTY-SIX), Kyle Cleverly (7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy!), Anthony (If It's for My Daughter, I'd Even Defeat a Demon Lord), Cline (The Exiled Heavy Knight Knows How to Game the System), Daichi Chiba (Li'l Miss Vampire Can't Suck Right) and 3 more.
Kikuru Madan is voiced in Japanese by Katsumi Fukuhara.
