That would actually be Odin, Thor's father.
Odin fought the Mother Storm and trapped it in an enchanted piece of Uru metal. If you are a fan of Norse Gods, you must check out this officially licensed Thor: Love and Thunder Electronic Mjolnir Hammer Prop Replica. Electronica Hammer ReplicaIf you are a fan of this legendary hammer, you should know that Thor was not the first person to wield it.