Beowulf: The Monsters and the Critics of the hero by accepting Grendel and the dragon." In Tolkien's view, the poem is essentially about a "man at war with the hostile world, and his inevitable overthrow in Time". The underlying tragedy is man's brief mortal life. Grendel and the dragon are identified as enemies of a Christian God, unlike the monsters encountered by Odysseus on his travels. What had happened is that Northern courage, exultant, defiant in the face of inevitable defeat by "Chaos and Unreason" (Tolkien cites Ker's words), fuses with a Christian faith and outlook. The "Beowulf" poet uses both what he knew to be
Hrólfs saga kraka elaborates on the same matter as several other sagas, and chronicles, in Scandinavian tradition, and also in the Anglo-Saxon poems "Beowulf" and "Widsith". In "Beowulf" and "Widsith", many of the same characters appear in their corresponding Old English forms: Hrólfr Kraki appears as Hroðulf, his father Helgi as Halga, his uncle Hróarr as Hroðgar, his grandfather Halfdan as Healfdene and their clan, the Skjöldungs, as the Scyldings. Moreover, some of their enemies also appear: Fróðo as Froda and king Aðils of Sweden as the Swedish king Eadgils. In "Hrólfr Kraki's saga", Halfdan (Healfdene) had three children, the sons Helgi (Halga)