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