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