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