Do you want to compare Brainiac with Mister Sinister? Discover the powers, weakness & weapons of Brainiac and Mister Sinister from Brainiac Biography and Mister Sinister Biography. Find out all about Brainiac and Mister Sinister.# Check out how is Brainiac unique and distinct from Mister Sinister. Discover their love interest, sidekicks, family tree and the movies and games list in which Brainiac and Mister Sinister have appeared. Find out everything about them here!