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