You can apparently choose how Eevee evolves in Pokemon GO
Posted on July 15, 2016 by Brian(@NE_Brian) in Mobile, News
Eevee is one of many Pokemon to be found in Pokemon GO. However, it can evolve into one of three creatures: Jolteon, Vaporeon, and Flareon.
Choosing your Eevee evolution is actually rather simple. For Jolteon, simply give your Eevee the nickname Sparky. For Vaporeon, name it Rainer. Choose Pyro to nab Flareon.
Here’s a look at the trick in action:
As for where these nicknames came about, the Eevee Brothers from the original anime were named Rainer, Pyro, Sparky who owned a Vaporeon, Flareon and Jolteon respectively.