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