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