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