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