Pokemon GO developers at Niantic have decided to bring back the Winter Holiday event for 2023 this December. The Winter Holiday 2023 event is divided into two parts, and only Part 1 is live currently. Players can catch the Terra Whale Pokemon, Cetoddle, and Cetitanis, along with new costumed monsters like Pikachu wearing holiday attire and Raichu wearing holiday attire for the first time during the event.