Yes, Pikachu (cake hat) can be shiny in Pokémon Go! This event-exclusive costume doesn’t have much use, but Pikachu’s hat at least is somewhat cute! Notably, this event Pikachu cannot evolve.

“challenge the Pokemon from the legends,” so we can assume his story revolves around the Shiny Rayquaza seen in this anime’s promotional material. While it’s true that Ash and Pikachu are retiring ...