Doomsday is a fictional supervillain appearing in American comic books published by DC Comics. He is a Superman villain. Doomsday was first shown in 1992. He made his first full appearance in Superman: The Man of Steel that same year.
The character was created by writer-artist Dan Jurgens, who wanted to create a villain who could be a physical challenge for Superman. IGN's list of the Top 100 Comic Book Villains of All Time ranked Doomsday as #46. He is best known as the character who "killed" Superman.