Alpha (Men In Black)

Alpha was a powerful, recurring villain in the Men In Black series, originally a MIB agent he became a rogue criminal who updated his frail and ageing body with alien organs - uncaring of the fact that he had to mutilate and kill countless aliens in order to improve himself: as a result of his horrific surgery Alpha would take many varied forms throughout the series and was driven by a desire to become the perfect being as well as exact revenge on MIB for all the wrongs committed against him.