Sleipnir as the creator of Ásbyrgi, in works of art, literature, software, and in the names of ships. In the "Poetic Edda", Sleipnir appears or is mentioned in the poems "Grímnismál", "Sigrdrífumál", "Baldrs draumar", and "Hyndluljóð". In "Grímnismál", Grimnir (Odin in disguise and not yet having revealed his identity) tells the boy Agnar in verse that Sleipnir is the best of horses ("Odin is the best of the Æsir, Sleipnir of horses"). In "Sigrdrífumál", the valkyrie Sigrdrífa tells the hero Sigurðr that runes should be cut "on Sleipnir's teeth and on the sledge's strap-bands." In "Baldrs draumar", after the Æsir convene
Sleipnir mentioned in a riddle found in the 13th century legendary saga "Hervarar saga ok Heiðreks", in the 13th-century legendary saga "Völsunga saga" as the ancestor of the horse Grani, and book I of "Gesta Danorum", written in the 12th century by Saxo Grammaticus, contains an episode considered by many scholars to involve Sleipnir. Sleipnir is generally accepted as depicted on two 8th century Gotlandic image stones: the Tjängvide image stone and the Ardre VIII image stone. Scholarly theories have been proposed regarding Sleipnir's potential connection to shamanic practices among the Norse pagans. In modern times, Sleipnir appears in Icelandic folklore