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