Hrímnir is a giant frequently mentioned in Norse mythology

Norse mythology

Norse mythology, a subset of Germanic mythology, is the overall term for the myths, legends and beliefs about supernatural beings of Norse pagans. It flourished prior to the Christianization of Scandinavia, during the Early Middle Ages, and passed into Nordic folklore, with some aspects surviving...

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In Hyndluljóð

Hyndluljóð

Hyndluljóð or Lay of Hyndla is an Old Norse poem often considered a part of the Poetic Edda. It is preserved in its entirety only in Flateyjarbók but some stanzas are also quoted in the Prose Edda where they are said to come from Völuspá hin skamma.In the poem, the goddess Freyja meets the völva...

verse 32 he is the father of Heiðr

Heiðr

Heiðr is the seeress and witch mentioned in one stanza of Völuspá, related to the story of the Æsir-Vanir war:...

 and Hrossþjófr, but that may be just for alliteration's sake. He is mentioned in Skírnismál

Skírnismál

Skírnismál is one of the poems of the Poetic Edda. It is preserved in the 13th century manuscripts Codex Regius and AM 748 I 4to but may have been originally composed in heathen times...

verse 28, probably as a typical giant.

He is listed among the jötnar in the Nafnaþulur

Nafnaþulur

Nafnaþulur is a subsection of Snorri Sturluson's Prose Edda, the last part of the Skáldskaparmál. It is a listing in verse of names that may be used in poetry for various items, such as gods, giants, people, animals, and weapons...

section of the Prose Edda

Prose Edda

The Prose Edda, also known as the Younger Edda, Snorri's Edda or simply Edda, is an Icelandic collection of four sections interspersed with excerpts from earlier skaldic and Eddic poetry containing tales from Nordic mythology...

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In Völsunga saga

Volsunga saga

The Völsungasaga is a legendary saga, a late 13th century Icelandic prose rendition of the origin and decline of the Völsung clan . It is largely based on epic poetry...

he is the father of Hljóð, whom Frigg

Frigg

Frigg is a major goddess in Norse paganism, a subset of Germanic paganism. She is said to be the wife of Odin, and is the "foremost among the goddesses" and the queen of Asgard. Frigg appears primarily in Norse mythological stories as a wife and a mother. She is also described as having the power...

 sends to Rerir

Rerir

In Völsunga saga, Rerir, the son of Sigi, succeeds his murdered father and avenges his death. He rules the Huns in Hunaland and becomes a powerful ruler. Rerir's son is Völsung....

 as a "wish-maid" with the apple that enables his wife to conceive Völsung

Volsung

In Norse mythology, Völsung was the son of Rerir and the eponymous ancestor of the ill-fortuned Völsung clan , including the greatest of Norse heroes, Sigurð...

—and subsequently Hrímnir himself sends Hljóð to Völsung to be his wife. This resembles the story of Peredur in the Arthurian cycle, and the modern folktale "The Sea Maiden."

In Gríms saga loðinkinna

Gríms saga loðinkinna

Gríms saga loðinkinna, or The Saga of Grim Shaggy-Cheek is one of the legendary sagas. It is from the 14th century and takes place in 8th century Norway. It is one of the sagas called the Hrafnistumannasögur surrounding Kettil Hoeng and his relatives.It is about Grim, the son of Ketil Hoeng, and...

, he is the father of the giantesses Feima and Kleima; his wife's name is Hyrja.

Hrímnir may mean either "the one covered with hoar-frost" or "the sooty one." It is not clear whether the name is intended to evoke the frost giants or hrímþursar.