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