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