Piplup is a small, penguin-like Pokémon known for its blue body and distinctive yellow beak. It is a Water-type Pokémon introduced in the fourth generation of the Pokémon series. Piplup evolves into Prinplup at level 16 and then into Empoleon at level 36. Piplup is often characterized by its proud and somewhat stubborn nature. It is known to be a good swimmer, using its flippers to navigate through water. Piplup is popular among trainers for its cute appearance and strong abilities in battles, making it a favored choice for many players.