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