Sailor Pluto require the use of the Garnet Rod, which is shaped like a giant key as a symbol of her stewardship over the Door of Space-Time. In Roman mythology, it is stated that the god Pluto holds a key because "they say that what is called Hades has been locked up by Pluto, and that nobody will return back again therefrom." Natale Conti cites Pausanias in noting that keys are an attribute of Pluto as the scepter is of Jove (Roman Zeus) and the trident of Neptune (Poseidon). The Pluto Crystal is perhaps her most important possession, as it is her
Pluto the movement. After the observatory obtained further confirmatory photographs, news of the discovery was telegraphed to the Harvard College Observatory on March 13, 1930. The discovery made headlines around the globe. Lowell Observatory, which had the right to name the new object, received more than 1,000 suggestions from all over the world, ranging from Atlas to Zymal. Tombaugh urged Slipher to suggest a name for the new object quickly before someone else did. Constance Lowell proposed "Zeus", then "Percival" and finally "Constance". These suggestions were disregarded. The name Pluto, after the god of the underworld, was proposed by Venetia Burney