Ragnar Lothbrok appears in the television series Vikings as the main protagonist of the show. Ragnar is portrayed by the actor Travis Fimmel and appears in all episodes of the show. Ragnar is the former king of Sweden/Norway and former Jarl of Kattegat. Ragnar is portrayed as a brutal and skillful warrior and a brilliant tactician. Ragnar, even when wounded was able to defeat the earlier Jarl of Kattegat in single combat.
In the earlier seasons of the show, Ragnar is seen to have a long ponytail with shaved sides. His eyes often varies color between bright blue and light green. Ragnar is also sporting a long beard, something that seems to be a common thing among the Vikings in the show. Ragnar is a fairly tall man, although compared to many of the other Vikings, he may seem fairly short. Although he may be shorter than most of the other Vikings, he has a very wide, muscular build, which does him great in combat situations.