Unown

Unown is an extremely rare Psychic-type Pokémon from Johto region. It does not evolve into nor from any other Pokémon. Unown is also the rarest Pokémon in the game.

Forms
There are a total of 28 unique forms of Unown in the game with only the 26 letters of the available.

Form switches sprites
Sprites for form switches in the Pokédex.



Trivia

 * There are currently 26 unique forms of Unown available in Pokémon GO, one for each letter of the alphabet. In the main series, there are a total of 28 forms (! And ?) starting with Generation 3.
 * As of April 10, 2017, Unown is the rarest Pokémon to encounter in the wild.
 * Considerably, Unown is the most highly prized possession in the game making it a huge stepping stone for players.
 * Unown often spawns in inaccessible areas, making it very hard to find. Only the most dedicated players will find this Pokémon.
 * The spawn rate of Unown in the wild is estimated to be ×27.5 rarer than Tyranitar, and an estimated ×42.3 rarer than Dragonite, which are often seen as the rarest species in the game.
 * Spawn rate of certain forms Unowns was higher during certain regional events such as Pokémon GO Safari Zone, during which Unown in forms of letters spelling words "Europe" and "Safari" were spawning more frequently in areas of this event.
 * Spawn rate of Unowns in forms of letters spelling word "Chicago" was higher during Pokémon GO Fest.