Tympole

Tympole  (Japanese: オタマロ Otamaro) is a -type Pokémon introduced in Generation V.

Physiology
Tympole is a small aquatic tadpole-like Pokémon. Tympole has a rounded black body with a tan-colored face. It has a small grinning mouth, round black eyes, and black eyebrows that resemble musical notes. It has round blue dome-shaped blue ears on either side of its head, and a flat, ovular blue fin-like tail.

Evolution
Tympole evolves into Palpitoad at level 25, and then into Seismitoad at level 36.

Pokemon Adventures
N is shown to be owning a Tympole as he used it against a match against Black, though after his Tympole lost he didn't return it to its Poké Ball because he thinks that Pokémon are his friends and he shouldn't trap it in a Poké Ball.

Trivia

 * Tympole shares the same species name with Poliwag, Poliwhirl and Poliwrath, they're all known as the Tadpole Pokémon

Origin
Tympole is based on a tadpole.

Etymology
Tympole's English name seems to be a combination of the word "timpani" (the sound of a low-pitched drum, or a type of drum), and "tadpole".