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