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