Korg

Korg (voiced by Taika Waititi and Jonathan Adams) is a Marvel Comics character that appears in Hulk and the Agents of S.M.A.S.H. and in Thor: Ragnarok. He is a member of the Kronan, a race of alien beings whose body consist of a rock-like substance, which gives him superhuman strength and invulnerability. Since Hulk freed him from his enslavement when on the planet Sakaar, Korg is a valuable ally and a friend of the Hulk, and he helps him fight tyranny and injustice.