Paul Cook is a human male with a great intelect, who works with militaries of the United States that face the Invaders in the episode The Watchers. Cook also faced David Vincent, because he thougth Vincent was a mad oportunist who only wanted to get closer to him for money. Finally the Invaders capture him and, with a super tecnological weapon of mental control, they take control of Cook's mind, because they wanted to know the United Sates Army weak points.