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