In Norse tales, the god who wields Mjolnir is Thor, the thunder god and protector of both gods and humans. Mjolnir is renowned for its unparalleled strength and ability to return to Thor after thrown, symbolizing his role as a warrior against chaos and evil. Thor's adventures often revolve around defending Asgard and humankind from giants and other threats. His character embodies bravery, loyalty, and the unyielding fight for justice, making him one of the most celebrated figures in Norse mythology.