The Twiks are not like the familiar greys , the Twiks have blue tinted skin they have big silvery eyes that can give someone a heart attack. Their blood are silvery blue and skeleton is silver but with age it starts to turn a golden coloration. They usually us a spear of their own kind, they have a single wrist blade on each arm. They kill there enemy and take there brains for study. The are deadly rivals of the predators, they dislike the xenomorphs, and they except the existence of human life. Their brains are a yellowish color, they where sunglasses to hide among us humans, and they like Coca-Cola for some reason.