It is plain that such incidents as those in the two modern Icelandic cases (however the effects were produced) might easily be swollen into the prodigious tale of Glam in the course of two or three centuries, between Grettir's time and the complete formation of his Saga.
THE DEVIL OF HJALTA-STAD {246} The sheriff writes: "The Devil at Hjalta-stad was outspoken enough this past winter, although no one saw him.

I, along with others, had the dishonour to hear him talking for nearly two days, during which he addressed myself and the minister, Sir Grim, with words the like of which 'eye hath not seen nor ear heard'.

As soon as we reached the front of the house there was heard in the door an iron voice saying: 'So Hans from Eyrar is come now, and wishes to talk with me, the -- - idiot'.

Compared with other names that he gave me this might be considered as flattering.

When I inquired who it was that addressed me with such words, he answered in a fierce voice, 'I was called Lucifer at first, but now I am called Devil and Enemy'.