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