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