
Quick answer — Ren Shimorenjaku voices Hellfire Boy in Inferno Cop, Mecha Cop in Inferno Cop, Mr. Judge in Inferno Cop.
Ren Shimorenjaku voices Hellfire Boy (Inferno Cop), Mecha Cop (Inferno Cop), Mr. Judge (Inferno Cop).
Hellfire Boy is voiced in Japanese by Ren Shimorenjaku.