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