Azurill

Azurill is a small, round, blue Pokémon resembling a mouse. It has a large, spherical tail that is almost as big as its body, which it uses to bounce and float on water. Azurill has large, black eyes, a small mouth, and two small, round ears. It is known for its playful and cheerful nature, often seen bouncing around on its tail. Azurill is a Normal/Fairy-type Pokémon and evolves into Marill.