The two additional dwarf planets you're likely thinking of are Makemake and Haumea.

Here's a quick breakdown of the five officially recognized dwarf planets:

* Pluto: The most famous dwarf planet, previously considered the ninth planet in our solar system.

* Eris: The most massive dwarf planet.

* Ceres: The largest object in the asteroid belt.

* Makemake: A large, icy dwarf planet located in the Kuiper Belt.

* Haumea: A very elongated, fast-spinning dwarf planet in the Kuiper Belt.

Let me know if you'd like to know more about any of them!