Glover appeared in the 2007 film Beowulf as the monster Grendel, playing the part via performance capture technology.

The partners' one-hour adaptation focuses on the first third of the poem, in which the hero Beowulf does battle with the evil monster Grendel.

He saw George Christopher making his way through the crowd like an icebreaker, moving triumphantly, like Beowulf displaying the arm of the monster Grendel, and hell, they all looked like that.

Like Gardner's novel, the film is a retelling of part of the epic poem Beowulf from the monster Grendel's point of view.

The perpetrator of the massacre in Oslo and on the island of Utoeya stalked the land as surely as the monster Grendel in Beowulf.

The monster Grendel, for example, is described as a descendant of the biblical Cain.

Such was the hall in which the 8th century hero Beowulf wrestled with the monster Grendel.

The poet praises Beowulf by linking his killing of the monster Grendel with the feats of Sigmund, who was clearly expected to be familiar to an English audience.

Under instructions from a being known as "The Shaper", Beowulf travels to Castle Hrothgar in Daneland, to fight the monster Grendel.

He hoped the flesh was up to the challenge and reminded himself that even Beowulf was able to defeat a fire-breathing dragon fifty years after his encounter with the monster Grendel.