- Yo-kai Watch Jam - Yo-kai Academy Y: Close Encounters of the N Kind: Minor Character
- Yo-kai Watch Jam - Yo-kai Academy Y: Waiwai Gakuen Seikatsu: Boss Yo-kai
Note-kun first appears in YG004, where a mysterious student writes down the names of people around the school on it, causing them to do bad things.
Gesu Note is a play on (Japanese: ゲス、下衆 Gesu, Low-life) and Death Note (Japanese: デスノート Desu Nooto), a notebook that puts anyone with their name written on it to death, hailing form the franchise of the same name.
Gespider is a play on Gesu and Spider (Japanese: スパイダー Supaidaa).