Main article : Pluto
Pluto is the most famous dwarf planet known and is the 2nd dwarf from the Sun . He was known as a planet for 76 years and has been demoted . Pluto has a massive "heart" on his surface which was caused by geological processed which was created 10 million years ago .
Pluto usually keeps to himself and feels unnecessary since he was a planet for 76 years then all that planet status was thrown out the window in 2006 . He usually gets into arguments with planets and dwarf planets about the absurdity of his status.
Pluto's demotion was caused by the location he was in , the Kuiper Belt . The definition of a planet must orbit the Sun and be spherical which Pluto follows but he breaks the last rule that he must clear the neighbourhood around his orbit . What this means that Pluto's in the Kuiper belt which was filled with millions of celestial bodies .