Ofnir. A serpent under Ygdrasil. Ofner.
Okolnir. After Ragnarok the giants have a hall (ale-hall) called Brimer, at Okolner.
Oku-thorr. So called from the Finnish thunder-god Ukko. Akethor.
Oski [Wish]. A name of Odin. Oske. Wish.
Otr [Otter]. A son of Hreidmar; in the form of an otter killed by Loke. Oter.
Ottarr or Ottarr Heimski [Stupid]. A son of Instein, a protege of Freyja. He has a contest with Angantyr. Hyndla gives him a cup of remembrance. Ottar.
R
Ragnarok [Sentence, judgment, from rekja, is the whole development from creation to dissolution, and would, in this word, denote the dissolution, doomsday, of the gods; or it may be from rokr (reykkr, smoke), twilight, and then the word means the twilight of the gods]. The last day; the dissolution of the gods and the world. Ragnarok.
Ran [Rob]. The goddess of the sea; wife of Æger. Ran.
Ratatoskr. A squirrel that runs up and down the branches of Ygdrasil. Ratatosk.