Pluto, in roman mythology,
is the God of Underworld. In greek, it is the God, Hades. It got its name because it is so far from the sun.
Pluto was discovered as a planet in 1930, and now is a "dwarf planet." Pluto's satelittle, Charon, was named after for
the mythological figure who ferried the dead across the River Styx into Hades.