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