Trickster turn passed it on to Odysseus. In Slavic folktales, the trickster and the culture hero are often combined. Frequently the trickster figure exhibits gender and form variability. In Norse mythology the mischief-maker is Loki, who is also a shape shifter. Loki also exhibits gender variability, in one case even becoming pregnant. He becomes a mare who later gives birth to Odin's eight-legged horse Sleipnir. British scholar Evan Brown suggested that Jacob in the Bible has many of the characteristics of the trickster:The tricks Jacob plays on his twin brother Esau, his father Isaac and his father-in-law Laban are immoral by
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