Whimsicott is a dual-type Grass/Fairy Pokémon. It evolves from Cottonee when exposed to a Sun Stone. It can Mega Evolve into Mega Whimsicott using the Whimsicottite.

Is Whimsicott a mythical Pokemon?

Whimsicott (Japanese: エルフーン Erufuun) is a Grass/Fairy-type Pokémon introduced in Generation V.

What does a Cottonee evolve too?

Evolving Cottonee in Pokemon Go is pretty simple. You need 50 Cottonee candy to evolve Cottonee into Whimsicott in Pokémon Go. However, in addition to 50 candy, Pokémon Go players also need the Sun Stone evolution item to complete the transformation of Cottonee into Whimsicott.