Unown

Unown is a 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.

Regular forms= Shiny forms=

Unown events
In general, Unown is extremely rare Pokémon all around the world, but there are certain regional events, such as Pokémon GO Safari Zone, during which spawnrate of certain forms Unowns was higher. These more often spawning forms of Unown spell a word related to the event. This happened already during following events:

Form switches sprites
Sprites for form switches in the Pokédex.



Trivia

 * Initially, there were 26 unique forms of Unown available in Pokémon GO, one for each letter of the alphabet.
 * Exclamation mark Unown was firstly released in June, 2018, during the E3, and question mark Unown was firstly released in August, 2018, during the Pokémon GO Fest.
 * 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 would find this Pokémon.
 * The spawnrate 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.
 * Exclamation and question mark Unown forms are counted in unique Unown caught in medals, making it possible to obtain the gold medal without completing the alphabet.
 * The spawnrate 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.
 * Exclamation and question mark Unown forms are counted in unique Unown caught in medals, making it possible to obtain the gold medal without completing the alphabet.