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