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