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