Beta Ray Bill (Yost Universe)
Beta Ray Bill is a Korbonite hero and guardian, who was assigned to protect his endangered species, the Korbonites. He was given great powers by scientists and genetic of his world, and became very powerful. He's also the only other person who is worthy to lift Mjolnir. He acquired from Eitri his new hammer, Stormbreaker, after finding out by Odin that he was deemed worthy of a noble warrior.