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