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