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