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