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