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