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