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