As a jotnar he is scared of Thor the god of thunder. he can change from mortal size to Giant size. Starkad was an eight-armed giant. He is portrayed as a great warrior who performed many heroic deeds but also many crimes.Starkad lived in Northern Norway in the waterfalls of Alufoss. He descended from the Jotuns, the inhabitants of Jötunheim, and his father's name was Storkvid. Starkad himself was pretty much a jotun himself and had eight arms, but was betrothed to a girl named Ogn Elf-burst.