In Norse mythology, the figure known for wielding a hammer called Mjölnir is Thor. As the god of thunder, Thor embodies the archetype of the warrior and protector of humanity, using his hammer to fight against giants and other adversaries that threaten the cosmic order. Mjölnir is often viewed as a symbol of power, protection, and fertility, reflecting Thor's role in maintaining balance in the world. His narratives emphasize themes of bravery and sacrifice, resonating with the values held by the Norse people.