- the son of Sigmund and Hjordis and the husband of Gudrun. He kills the dragon Fafnir, acquires the treasure of Andvari, wins Brynhild for Gunnar, and is finally killed at the behest of Brynhild, whom he had once promised to marry: corresponds to Siegfried of the Nibelungenlied.
- a hero who killed the dragon Fafnir to gain the treasure of Andvari, won Brynhild for Gunnar by deception, and then was killed by her when she discovered the fraud. His wife was Gudrun
