Fresh 44++ Vikings Series Ragnar. The viking king, ragnar lodbrok (or lothbrok according to different texts) had his infamous deeds embellished in medieval european literature. See more ideas about vikings ragnar, vikings, ragnar. This gritty drama charts the exploits of viking hero ragnar lothbrok as he watch the series. Ragnar sigurdsson, popularly known as ragnar lothbrok, (shaggy breeches) was the main protagonist of vikings until his death in part 2 of season 4.