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