A ghost representing a Pokémon "hidden" in mist in the Pokémon Tower. Found in the games Pokemon Red/Green/Blue/Yellow, Pokemon FireRed and LeafGreen, and Pokemon: Let's Go Pikachu! and Let's Go Eevee!
It says "Get out..." It can't be battled or captured. With the Silph Scope, the player can identify the ghosts as Pokémon.
In Pokemon Scarlet and Violet, the Ghost-type Tera Jewel resembles the ghost's sprite.
Additionally, it is one of MissingNo.'s forms in Generation I.
