For 10 points, name this titular character of an Old English epic translated by Seamus Heaney.
This man listens to a poem in which Finn kills Hengest being sung by the Shaper and Unferth has misgivings about a swimming race between this man and Breca. This figure defeats Ongentheow and  Wiglaf is the only character to help this man when he fights a dragon. This man's most famous exploits are saving  Heorot from a descendent of Cain and  killing Grendel's mother. For 10 points, name this titular character of an Old English epic translated by Seamus Heaney.
This man listens to a poem in which Finn kills Hengest being sung by the Shaper and Unferth has misgivings about a swimming race between this man and Breca.
Beowulf