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