Pokémon GO as part of the mobile game’s upcoming “Festival of Lights” event.The critter in question is Dedenne, who first appeared in the core Pokémon games in 2013’s Pokémon X and Y. Known as the “Antenna Pokémon”, a dual Electric and Fairy-type creature, with no known evolutions.Dedenne’s arrival and the Festival of Lights were announced in a blog post from developer Niantic.