Grookey

Grookey is a Grass-type Pokémon from the Galar region. It evolves into Thwackey when fed 25 candies and its final evolution is Rillaboom.

Trivia

 * In Generation VIII of core series games, Grookey was a Starter Pokémon and now, in Pokémon GO, though it is not official, it is considered a Galar-region Starter Pokémon in players community.