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