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