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
Greek underworld drink unless they had been summoned; however, some reliefs portray the underworld as having many elaborate feasts. While not completely clear, it is implied that the dead could still have sexual intimacy with another, although no children were produced. The Greeks also showed belief in the possibility of marriage in the underworld, which in a sense describes the Greek underworld having no difference than from their current life. Lucian described the people of the underworld as simple skeletons. They are indistinguishable from each other, and it is impossible to tell who was wealthy or important in the living world. However,