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