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
The Time of Their Lives house and burn it to the ground. The souls of the two unfortunates are condemned to remain on the estate until the "crack of doom" unless evidence of their innocence can be proved to the world. For the next 166 years the ghosts of Horatio and Melody roam the grounds of the estate. Then, in the 1940s, the estate is restored by Sheldon Gage (John Shelton). When the restoration is finished, complete with the "original" furniture (which was removed before the estate's fateful burning), Sheldon invites some friends to spend the night there. Accompanying him are his psychiatrist, Dr. Ralph