
Quick answer — Takumi Asahina voices Etsushi Kainuma in The Fable, Colin in Level E, Satoshi Momose in Psychic School Wars.
Takumi Asahina voices Etsushi Kainuma (The Fable), Colin (Level E), Satoshi Momose (Psychic School Wars).
Etsushi Kainuma is voiced in Japanese by Takumi Asahina.