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