Raichu (Japanese: 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. It is the final form of Pichu in the Alola region.