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