Do you want to compare Doomsday with X-23? Discover the powers, weakness & weapons of Doomsday and X-23 from Doomsday Biography and X-23 Biography. Find out all about Doomsday and X-23.# Check out how is Doomsday unique and distinct from X-23. Discover their love interest, sidekicks, family tree and the movies and games list in which Doomsday and X-23 have appeared. Find out everything about them here!