Grookey is a Grass-type Pokémon character from the Pocket Monsters series, specifically introduced in the Galar region. Known for its vibrant green fur and playful nature, Grookey uses its stick to drum and stir up energy around it, reviving plants and energizing its allies. It plays a crucial role as a starter Pokémon, providing new trainers with their first partner as they embark on their journey. Grookey's evolution line includes Thwackey and Rillaboom, making it a versatile and powerful choice for battles and adventures.