Board Thread:Character Discussion/@comment-27069151-20160701055356/@comment-25926288-20160701113352

Nyx was more or less a referece to the German Nix or Neck which is a water spirit. Probably called it Nyx because it was also a name of a deity. We won't know until then, but I doubt Nyx of Once is Nyx of Greek Myth because they also say "The Nyx" like the nix of German folklore.