Pokémon Go Halloween event dresses up Pikachu in a Mimikyu costume • Eurogamer.net
Boss Costume Collection: Team Plasma Ghetsis Costume Pikachu Poké Plush - 8 ¾ In. | Pokémon Center Official Site
Defective Pikachu : r/CrappyDesign
With the Mimikyu costume, Pokémon Go finally got event Pikachu right - Polygon
Nintendo NY på Twitter: "Stop by today until 6pm for a #Pokemon shopping event at #NintendoNYC! Receive holiday gift wrap and a giveaway as gift with purchase of any #Pokemon themed items!