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