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