Fáfnir
In Norse mythology, Fáfnir or Frænir is a son of the dvergr king Hreiðmarr and brother of Reginn, Ótr, Lyngheiðr and Lofnheiðr. After being affected by the curse of Andvari's ring and gold, Fáfnir became a linnormr and was slain by Sigurðr. In the Icelandic Vǫlsunga saga (late 13th century...