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