Shadow Galactica been played by two actresses, Haruko Yamaguchi and Megumi Wakamatsu. and appear only in Act 48 of the manga. Sailor Lethe is named for a naiad in Greek mythology, and for a river of the Greek underworld where dead souls go to forget their past lives before being reincarnated. Sailor Mnemosyne is named for the Titaness of memory, the mother of the muses, as well as another river in the underworld which brought remembrance and omniscience. Sailor Lethe has an attack called "Galactica Myosotis Alpestris", which she used to attack Usagi. Myosotis alpestris is the name of an alpine species
Voices in the Earth of the planet he proceeds to play an old CD player. As Chopin's Nocturne Op. 9 No. 2 begins, Knowles is confronted by ghosts of the planet. He finds them in an abandoned café where they ask him not to forget their existence. Knowles pleads with Carlyle not to strip the planet but she insists upon it anyway. Knowles soon discovers that the ghosts are spirits of the forefathers who had not left the Earth when life began dissolving. They believe that humans are coming back to repopulate the planet, but Knowles explains why they are really there. He tries