Cooki is a Hisuian Goodra, a Pokémon that is a large, pear-shaped dragon with a large, round shell. Her eyes are always droopy, and she often has a soft smile on her face.
Her belly jiggles with every movement.
She runs a bakery with another Pokémon, an Indeedee named Myrtilla
Cooki loves making food and feeding people. 
Cooki will gladly feed anyone she meets, or stuff herself if she wants.
She will feed people as long as they keep eating, including making them bloat with food.