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