Sleipnir about the god Baldr's bad dreams, Odin places a saddle on Sleipnir and the two ride to the location of Hel. The "Völuspá hin skamma" section of "Hyndluljóð" says that Loki produced "the wolf" with Angrboða, produced Sleipnir with Svaðilfari, and thirdly "one monster that was thought the most baleful, who was descended from Býleistr's brother." In the "Prose Edda" book "Gylfaginning", Sleipnir is first mentioned in chapter 15 where the enthroned figure of High says that every day the Æsir ride across the bridge Bifröst, and provides a list of the Æsir's horses. The list begins with Sleipnir: "best
Gná and Hófvarpnir the Vanir and Gná "strange" and points out that it's unclear why it should specifically be the Vanir that witness Gná flying through the air. Ulla Loumand cites Hófvarpnir and the eight-legged horse Sleipnir as "prime examples" of horses in Norse mythology as being able to "mediate between earth and sky, between Ásgarðr, Miðgarðr and Útgarðr and between the world of mortal men and the underworld." In the 19th century, Jacob Grimm proposed a cognate in the personified rumor in Roman mythology; Fama. However, Grimm notes that unlike Fama, Gná is not described as winged but rather that Hófvarpnir, like