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