Question: can mimikyu pikachu be shiny?
Answer: Pokémon Go Halloween event dresses up Pikachu in a Mimikyu costume. Costumed Pokémon available in raids. ... But perhaps the most eye-catching releases of the event are the new costumed forms of Pikachu, Bulbasaur, Charmander and Squirtle. These will be available in shiny forms as well.