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