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