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