Lopunny

Lopunny is a Normal-type Pokémon from the Sinnoh region. It evolves from Buneary after being fed 50 candies. It can Mega Evolve into Mega Lopunny initially after being given 200 Mega Energy, and 40 afterwards.

Costumes
This Lopunny form can be obtained from evolving respective costumed Buneary

Trivia

 * Normally, evolved stages of Pokémon cannot be shiny in encounter screen, but after its Mega Evolution release, could.
 * The Mega Energy Field Research in Rivals' Week originally required to "Win in the GO Battle League". This was changed in the middle of the event.