Pokemon GO fans are requesting that Niantic finally add a beloved Gen 7 Pokemon to the mobile game for this year's Halloween event, asking for Mimikyu's introduction. The massively popular monster-catching mobile game has added a wealth of creatures from throughout the franchise's history in the more than eight years since its release. Pokemon GO has introduced Pokemon from all nine generations of the games, as well as several regional variants and special holiday Pokemon. Now, fans are asking that one member of Pokemon's seventh generation finally join the roster.