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