
Quick answer — Shougo Batori voices Thevor in The Darwin Incident, Tristan Disdall in Fluffy Paradise, Fios in Shironeko Project ZERO CHRONICLE.
Shougo Batori voices Thevor (The Darwin Incident), Tristan Disdall (Fluffy Paradise), Fios (Shironeko Project ZERO CHRONICLE).
Thevor is voiced in Japanese by Shougo Batori.