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