He was a huntsman, big enough and brave enough to cope with giants.

He was the friend of Thor, the husband of Groa, the father of Swipdag, the enemy of giant Coller and the monster Sela.

The story of his birth, and of his being blinded, are lost apparently in the Teutonic stories, unless we may suppose that the bleeding of Robin Hood till he could not see by the traitorous prioress is the last remains of the story of the great archer's death.
Great part of the troubles which befell the gods arose from the antagonism of the sons of Iwalde and the brethren Sindre and Brokk (Cinder and Brank), rival artist families; and it was owing to the retirement of their artist foster-parents that Frey and Freya were left among the giants.

The Hniflung hoard is also supposed to have consisted of the treasures of one band of primaeval artists, the Iwaldings.
Whether we have here the phenomenon of mythological doublets belonging to different tribes, or whether we have already among these early names that descent of story which has led to an adventure of Moses being attributed to Garibaldi, given to Theodoric the king the adventures of Theodoric the god, taken Arthur to Rome, and Charles the Great to Constantinople, it is hard to say.
The skeleton-key of identification, used even as ably as Dr.Rydberg uses it, will not pick every mythologic lock, though it undoubtedly has opened many hitherto closed.

The truth is that man is a finite animal; that he has a limited number of types of legend; that these legends, as long as they live and exist, are excessively prehensile; that, like the opossum, they can swing from tree to tree without falling; as one tree dies out of memory they pass on to another.