Mudkip

Mudkip (Japanese: ミズゴロウ Mizugorou) is a Water-type Pokémon.

It evolves into Marshtomp starting at level 16, which evolves into Swampert starting at level 36.

Along with Treecko and Torchic, Mudkip is one of three starter Pokémon of Hoenn available at the beginning of Pokémon Ruby, Sapphire, Emerald, Omega Ruby, and Alpha Sapphire.

Ten Legendary Warriors-United Heroes Storyline
Mudkips have joined forces with Kamen Rider Kabuto and the Ten Legendary Warriors-United Heroes after Dark Lord Empire Federational Apocalypse-United Villains invaded Aquafall. Mudkips must seek revenge against the villains for hurting innocent people and creatures in countless planets.

Trivia

 * Mudkip has the highest Attack out of all the starters at its base form.
 * In a poll conducted by Nintendo of Europe, Mudkip was voted as the fan favorite starter, with Typhlosion and Blastoise close behind.
 * Mudkip is the subject of a popular Internet meme known as "So i herd u liek mudkipz?".