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