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