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