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