Steve

Steve is one of the main antagonists in the side story ‘UFO Story’ in Gangstar Vegas. He needed help getting his ufo and he betrayed Jason and E man and was killed and not heard from again.

Trivia
He might have called in other alien force to invade before his death as seen in the ending "'Eat hot laser death'""'Pitiful Humans, did you thought we were peace ambassadors ? Now the invasion of earth can continue'"