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