Grookey is a chimp-like Pokémon, with a green colored body, brown tail and ears, and orange limbs and snout. It has two large eyes, with a beige-colored mask surrounding them. It has two leaf-shaped hair tufts on the top of its head which holds a stick. It uses this stick to beat against objects and also has the ability to grow grass. It is said to be full of boundless curiosity.