 Thor's servant Þjálfi and Hrungnir's clay-made giant Mokkurkálfi are absent from Þjóðólfr’s 10th-century version.In "Ragnarsdrápa", the 9th-century skald Bragi Boddason mentions "Hrungnir's skull-splitter".Bragi also mentions "Hrungnir's sole-blade" and refers to Hrungnir as the "thief of Þrúðr", the daughter of Thor.