Naming of moons underworld, and Nix (a respelling of Nyx), mother of Charon, is the goddess of darkness and the night. Kerberos is a giant three-headed dog who guards the entrance to the underworld. The fifth moon is named for the river Styx that forms the boundary between the worlds of the living and the dead. The name of Eris's moon Dysnomia was suggested by its discoverer Michael E. Brown, who also suggested the name of the dwarf planet. The name has two meanings: in mythology Dysnomia (lawlessness) is the daughter of Eris (chaos). However, the name is also an intentional reference to
Cultural depictions of the dog portrayed in the family arms of several noble German families and at least seven other English families. During the 16th and 17th century, dogs were depicted in hunting scenes, or depicted representing social status, as a lap dog, or sometimes as a personal friend. They may also used as symbols in painting. The Greek philosopher Diogenes (404-323 BC) was depicted by Jean-Léon Gérôme, in the company of dogs that also served as emblems of his "Cynic" (Greek: "kynikos," dog-like) philosophy, which emphasized an austere existence. Diogenes stated that "Unlike human beings who either dupe others or are duped, dogs will