Charon. It's more of a satellite than a planet, unless you want to consider Pluto/Charon as a double planet. That's a little awkward, since Pluto has been downgraded to a planetoid.
god of the underworld
Plutos not a planet because is does not meet the necessary requirements to be a planet
Neptune's, at times.
comet
Neptune. but since plutos demotion, it will always be the farthest planet from the sun as we know today.
No - he has since passed away. Pluto was discovered in 1930 by Clyde Tombaugh, who died in 1997, nine years before Plutos reclassification to a dwarf planet in 2006. Venetia Burney thought of the name for Pluto in 1930, when she was eleven. She died in 2009, so she would have known of Plutos reclassification.
pluto orbits around the sun faster than any planet
Another name for the planet pluto is "the dwarf planet"
Plutos name in greek came from the god of the underworld "Hades". the planet received this name because it is so far away from the sun that it is perpetual darkness and perhaps because "PL" are the initials of Percival Lowell
it used to vary between neptune and Pluto due to plutos unusual orbit. but since Pluto was declared not a planet. it is neptune.
Plutos (Πλούτος) means wealth
Sedna is a dwarf planet. It is to far away to be one of plutos moons and is proved to orbit the sun