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