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