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