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