From the television show, Mystery Science Theater 3000. Also called "Observer", the Brain guy is pale, wears a purple cloak over white robes and carries his brain in a petri dish. While possessing both Omnipotence and Omniscience, brain guy is rather lackadaisical in the goal of taking over the world, more content with observing. Despite claiming to not possess a body, Brain Guy does partake in activities like eating chili dogs and drinking beer.
Pearl Forrester: Brain Guy, get over here and save my bacon again!