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