The god Ammut had the head of a crocodile, the body of a leopard and the backside of a hippopotamus. All man-eaters.
In the Egyptian: The Book of the Dead, Ammut sat at the judgment of the dead in The Hall of Double Ma'at (when the deceased's heart was weighed on the scales against Ma'at), ready to devour the souls of the unworthy - the final death for an Egyptian! It meant the end of existence. They would never meet Osiris and live forever in the Fields of Peace.
In at least one papyrus, Ammut was depicted as crouching beside the lake of fire in the infernal regions of the underworld!