Olafur

Olafur was a Viking warrior personal bodyguard to Earl Haraldson. He is ordered to watch Ragnar Lothbrok. Olafur was present when Eric Trygvasson is sentenced to death. Olafur was the one who beheads him. He was Kattegats executioner.

Season 1
Olafur is present when Ragnar and Björn come to the Earls halls for the criminal offenses. He carries out the execution of Eric Trygvasson. Olafur is later ordered by the Earl to watch Ragnar and see what he gets up to. As Ragnar, Rollo and Floki set sail testing their newly built boat, Olafur watches them from atop a hill.

Olafur watches Ragnar enter Eric Marteinn's home for a meeting about going West. Olafur reports back to Haraldson, Siggy catches Olafur's eye and the Earl tells him that if she wants to sleep with him then he grants it. In the Earls bedroom Olafur tells Svein to leave, he climbs into bed with Siggy who proceeds to punch Olafur in the face. The Earl walks in saying now he knows who to trust and Olafur is escorted outside. Svein puts a knife in Olafur's chest twice killing him, he is then hacked to pieces by the Earls bodyguards.