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