Arch-nemesis and adopted brother of Thor, Loki is part of the race of Frost Giants of Jotunheim. He is not a giant in stature, but has physical attributes to compensate.

Powers include enhanced strength, stamina, speed, durability, immunity to all diseases and toxins, and some resistance to magic. He is also a genius in intelligence, and can manipulate peoples emotions to get them to think the way he wants.