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