Thor's hammer is a legendary symbol in Norse mythology and has been given many different names and synonyms throughout history. In Old Norse, it's known as Mjölnir, meaning 'the crusher' or 'the smasher'. Other name variations include Thunderbolt, Lightning, Thunderstrike, and Thunderer. In Germanic mythology, it's called Donnerkeil, meaning 'thunderbolt', and in some cultures, it's known as the 'Hammer of the Gods', while in Arabic folk tales, it's referred to as Al-Miln, which means 'the mill'. As a highly influential and powerful tool in Norse mythology, it's no wonder that Thor's hammer has been given so many different names over the centuries.