Unown

Unown are enigmatic Psychic-type Pokémon introduced in Generation II. They are unique in that they possess 28 different forms, each resembling a letter of the Latin alphabet, a question mark, or an exclamation mark. These ancient Pokémon are said to live in another dimension and communicate through telepathy, often forming words or phrases when gathered together. Their existence is shrouded in mystery, and they are often depicted as guardians of ancient ruins or as entities connected to powerful psychic energy. In the games, they are typically found in specific ruins and are known for their singular attack, Hidden Power, which changes type depending on the individual Unown. In the anime, they played a significant role in the movie "Spell of the Unown: Entei," where their collective psychic power brought a young girl's wishes to life, demonstrating their immense, albeit often uncontrolled, abilities. Their unusual nature and multitude of forms make them a fascinating subject for both lore enthusiasts and collectors.