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