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