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