To entangle its opponents in battle, it extrudes white threads as sweet and as sticky as cotton candy.
– Pokemon X Pokedex
Swirlix is the next installment of “Pokemon based on dessert food”, after Vanillish’s family. Swirlix is version exclusive to Pokemon X; its counterpart is Spritzee.
It evolves by trading while holding a Whipped Dream. When I found the Whipped Dream, and read its description that it’s liked by a certain Pokemon, I figured it was used somehow to evolve Swirlix.
Its ability Sweet Veil, which prevents its team from sleeping, is exclusive to its family.