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