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