The Unown forms are chronicled in the Unown Mode and the Unown Report. In Generation III, two new forms were introduced as well: ? (question mark) and ! (exclamation mark). In Generation II, there were 26 Unown forms based on Latin alphabet characters. All of them are known as One form (Japanese: あるすがた a form), as seen in the Pokédex. While it is not known to evolve into or from any other Pokémon, Unown has 28 different forms.

Unown ( Japanese: アンノーン Unknown) is a Psychic-type Pokémon introduced in Generation II. Pokémon Brilliant Diamond and Shining Pearl.