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