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