(Ivar Ragnarsson, also known as Ivar Boneless or Ivar the Boneless, was a Scandinavian warlord during the Viking Age with a reputation as a berserker. Ivar Ragnarsson was one of the sons of Ragnar Lodbrok, who along with his brothers Halfdan and Ubbe led the great pagan army, he is a cripple) (Born with a problem in his legs, which in the Viking world was seen as something weak, Ragnar was advised to end Ivar's life but he was unable to kill him.)