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