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