What was the name of Norse God Thor's hammer

Mjölnir
In Norse mythology, Mjölnir (Old Norse: Mjǫllnir, IPA: [ˈmjɔlːnir]) is the hammer of Thor, a major Norse god associated with thunder. Mjölnir is depicted in Norse mythology as one of the most fearsome weapons, capable of leveling mountains.

In his account of Norse mythology, Snorri Sturluson relates how the hammer was made by the dwarven brothers Sindri and Brokkr, and how its characteristically short handle was due to a mishap during its manufacture.

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