Froakie

Froakie is a Water-type Pokémon from the Kalos region. It evolves into Frogadier when fed 25 candies and its final evolution is Greninja.

Trivia

 * In Generation VI of core series games, Froakie was a Starter Pokémon and now, in Pokémon GO, though it is not official, it is considered a Kalos-region Starter Pokémon in players community.
 * During the early time of Kalos release, Froakie was reported to have a very low spawn rate compared with Chespin and Fennekin. Players had expressed concern of not able to complete the Timed Research in Kalos Celebration Event due to its absurdly low appearance. It is presumably because the extreme popularity of Froakie's final evolution - Greninja, which is the rank 1 Pokémon in the Pokémon of the Year vote, one of the most popular by Ash Ketchum in anime, and a playable fighter in Super Smash Bros.