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