This actually does make some sense.

Loki and Angrboda the giantess had Fenrisulvr in Norse mythology.

In Norse mythology, Hati (pronounced Hàté, meaning: ''he who hates'', or ''enemy'') or Månegarm (as referred to in the norse Edda) Hróðvitnisson, and Sköll (ö is pronounced like the 'i' in 'bird', or 'u' in 'fur') Hróðvitnisson (Hróðvitnisson means Son to the Famous wolf (Fenrisulvr, or, Hróðvitnir)) were Fenrisulvr's children (although enormous ones) wolves.

Hati and Sköll were insanely huge wolves. Hati's home were in the, according to the mythology, insanely dark and horrifying Järnveden forest located in Jotunheim, (Jotunheim meaning; Home of the Giants) Norway.
They lived off of the blood from the dying people who made the horrible mistake to traverse into the forest. Hati and Sköll were obsessed with the Sun and the Moon, and chased them ferociously, in hopes of devouring them.
Eventually, Hati's and Sköll's obsessive chase will come to an end at the day of Ragnarök when they will catch up to the Sun and the Moon and devour it.

Sköll (meaning; Betrayal/Betrayer/Treachery) were the one who chased the horses Árvakr and Alsviðr who dragged the Sun in their chariot day in, and day out.
Sköll seems to have a certain ability that allows him to share his ability to supposedly fly with his father, Fenrisulvr.

Sköll and Hati has a song given to them in the book ''Codex Regius'' (make it for SMN or SCH, SE).

"Sköll is the wolf called who hunts the bright sun-goddess
even to the Sheltering grove.

A second fares, Moon-hater, offspring of Fenrir
in front of that fair bride of heaven."