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