Raichu is the evolved form of the most iconic Pokemon, Pikachu, which means chances are you’ve probably seen it several times before. In Pokemon Sun and Moon, you’ll be able to encounter the new Alola variant of Raichu, Alolan Raichu, when the games arrive on November 18 for Nintendo 3DS.
You’re familiar with Raichu, but have you met Alolan Raichu?
Pokémon Blog 