In Norse mythology, Móði and Magni are the sons of Thor and Járnsaxa.

Magni has a role in the myth of Thor's battle with Hrungnir.

But the hammer Mjöllnir struck Hrungnir in the middle of the head, and smashed his skull into small crumbs, and he fell forward upon Thor, so that his foot lay over Thor's neck. Thjálfi struck at Mökkurkálfi, and he fell with little glory. Thereupon Thjálfi went over to Thor and would have lifted Hrungnir's foot off him, but could not find sufficient strength. Straightway all the Æsir came up, when they, learned that Thor was fallen, and would have lifted the foot from off him, and could do nothing. Then Magni came up, son of Thor and Járnsaxa: he was then three nights old; he cast the foot of Hrungnir off Thor, and spake: 'See how ill it is, father, that I came so late: I had struck this giant dead with my fist, methinks, if I had met with him.' Thor arose and welcomed his son, saying that he should surely become great; 'And I will give thee,' he said, the horse Gold-Mane, which Hrungnir possessed.' Then Odin spake and said that Thor did wrong to give the good horse to the son of a giantess, and not to his father. Skáldskaparmál 17, Brodeur's translation

The brothers are mentioned among the survivors of Ragnarök in the Eddic poem Vafþrúðnismál.

Móði ok Magni

skulu Mjöllni hafa

Vingnis at vígþroti. Vafþrúðnismál 51, Guðni Jónsson's edition

Mothi and Magni

shall Mjollnir have

When Vingnir falls in fight. Vafthruthnismol 51, Bellows' translation

In kennings Thor is once called "father of Móði" and twice "father of Magni". ^*

Norse gods

Magni | Móði y Magni | Magni | Magni | Magni | Magne | Modi | Μόντι | Modi | Modi (dieu) | Modi