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