Whismur

Whismur (Japanese: ゴニョニョ Gonyonyo) is a -type Pokémon introduced in Generation III.

Evolution
Whismur evolves into Loudred and gains the special ability, Soundproof. Whismur evolves into Loudred once it reaches level 20.

Trivia

 * Whismur and Loudred both have sound icon patterns on their backs. Whismur's means low volume and Loudred's means medium volume.

Etymology
Whismur's name is a portmanteau of the words "whisper" and "murmur".