What are the starter Pokemon for game after HeartGold and SoulSilver?

You're likely thinking of Pokémon Black and White, which are the games that came after HeartGold and SoulSilver. The starter Pokémon for those games are:

* Turtwig (Grass)

* Chimchar (Fire)

* Piplup (Water)

These three Pokémon start their evolutions as:

* Turtwig --> Grotle --> Torterra

* Chimchar --> Monferno --> Infernape

* Piplup --> Prinplup --> Empoleon