The second generation of Pokémon makes its way into Pokemon go through Pokemon baby how are they Pichu or Togepi among others. This was announced by the developer Niantic and The Pokemon Company Yesterday.
Here is the link to the video of Pokémon GO.
These Pokemon They can be acquired through the eggs of two, five and ten kilometers. As an additional note these Pokémon cannot be caught in the traditional way, only going through a PokéStop to collect the Poke eggs.
Also, a special Pikachu is available until December 29. The festive version of Pikachu can already be found and captured around the world. The developers have commented that there should be no problem finding this Pikachu dressed in a party hat.