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