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