In some trivia of the 2016 Halloween Doodle, Momo is revealed to be based on a cat by the same name owned by Juliana Chen.

She wears a grey robe, and holds a pink microphone on the left hand. Momo is a black cat with yellow sclera and black eyes. In this mod, she's the main opponent of the first week. She is a wizard as a student in Magic Cat Academy, being her objective to rid ghosts using magic. Momo is the protagonist from the Halloween doodle game series, Magic Cat Academy, debuting in the Halloween - Global Candy Cup 2015, later reappearing 2016 Halloween doodle. Google Doodle: Halloween 2016 Character Icons Momo Wish to know more about Mo mo.

The game got updated in 2022 adding the sequel´s Team Victory screens, this version was known as 'halloween18_reboot'.Google Doodle: Halloween - Global Candy Cup 2015 (outside of Magic Cat Academy).The hats and everything related eventually were used in the Halloween 2022 Doodle.In the files of the Doodle, there appear to be hats, along with silhouettes for each hat, though they don't appear in the actual Doodle and it would only be presumed that the players would have worn them.If a player was disconnected from a game then their character would appear asleep, this eventually was cut.The game many names before The Great Ghoul Duel was decided, examples of them were PolterHeist, Spirit Scramble, Phantom Frenzy and Nocturnament.Momo was originally going to be the referee, until the Spider Referee was decided.Originally the ghosts were Orange and Blue, but were then changed to Purple and Green for colorblindness.Cats, asymmetrical powers and a Direct Sequel to Magic Cat Academy. A number of content was scrapped from the Doodle, with these being the following.Momo makes a cameo as a portrait on the wall in the Haunted Mansion level, along with Jinx and all witches from Halloween - Global Candy Cup 2015.The Great Ghoul Duel is referenced in the Doodle Champion Island Games as one of the games in the arcade in Tanooki City.The Doodle took almost 2 years to finish development.

Google doodle halloween 2016