Raichu is an Electric-type Pokémon introduced in Generation I. It evolves from Pikachu when exposed to a Thunder Stone. It is the final form of Pichu. In Alola, Raichu has a dual-type Electric/Psychic regional form. It evolves from Pikachu when exposed to a Thunder Stone. All Pikachu in Alola will evolve into this form regardless of their origin. Officially licensed Pokémon plush from Tomy. Collect them all!