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