was kazuya always evil tekken
To kill Jin and Heihachi, rule the world (TK series) (formerly) To save Jin, kill Heihachi and save the world (TK7) Tyrant, Power Hungry, Seeker of Vengeance. Kazuya Mishima is the character that first appears as the main protagonist and later as one of the main antagonists in the Tekken series. He has a alter ego named Devil Kazuya.