Before the existence of Pichu in Gen 2, the evolutionary line ... point in the development of the original 151 Pokedex. Pokemon evolutions often follow some form of thematic or design logic ...

However, the pre-evolution, Pichu, breaks this trend. This tinier version wasn't part of the original game lineup and only appeared in the second generation with Pokemon Gold and Silver ...

As of Monday, eggs now have the chance of hatching "Togepi, Pichu, and several other Pokémon ... Some of these are new third stage evolutions (Seadra evolves into Kingdra, for instance), while ...