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