
Quick answer — Mitsuhiro Sakamaki voices Pucchin in KONOSUBA -God's blessing on this wonderful world!- Legend of Crimson, Qiren Lan in The Founder of Diabolism, Tannin no Sensei in Toilet-bound Hanako-kun and 2 more characters.
Mitsuhiro Sakamaki voices Pucchin (KONOSUBA -God's blessing on this wonderful world!- Legend of Crimson), Qiren Lan (The Founder of Diabolism), Tannin no Sensei (Toilet-bound Hanako-kun), Toshi Tabata (My Home Hero), George (Macademi WAsshoi!).
Pucchin is voiced in Japanese by Mitsuhiro Sakamaki.