Doomsday was created by writer Dan Jurgens and artist Brett Breeding, first appearing in Superman: The Man of Steel #17, marking the character's debut in the DC Comics universe.
Doomsday is featured as the central antagonist in the 'Death of Superman' storyline, where he famously kills Superman in a battle, dramatically impacting the DC Comics universe and comic book history.
Doomsday made his animated debut in "Superman: Doomsday", a direct-to-video film adaptation of the 'Death of Superman' storyline, bringing the character to a wider audience.
Doomsday appeared as the primary antagonist in the live-action film 'Batman v Superman: Dawn of Justice', dramatically increasing the character's mainstream recognition.