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