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