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