Sinnoh Pokémon are now available to find and catch for the first time in Pokémon GO. Players can now keep an eye out for Pokémon originally discovered in the Sinnoh region, featured in Pokémon Diamond, Pokémon Pearl and Pokémon Platinum. Pokémon like Turtwig, Chimchar and Piplup are appearing in Pokémon GO for the first time ever. Sinnoh Pokémon will be making their way to Pokémon GO in waves. Fans can look forward to discovering even more Pokémon over the next few weeks appearing in the wild, hatching from Eggs and battling in raids. Riolu is among the first Sinnoh Pokémon that is now hatching from 10 km Eggs. Niantic says to stay tuned to its official channels for updates about new Pokémon, new features and expansions to existing features like Pokémon storage and more.