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