Gnaww is a villain in Superman: The Animated Series.
He is a bounty hunter and hunts for his brother and declares nobody sell him out but him. Gnaww and his men tracked Lobo to intergalactic system. Gnaww is also a rival of Lobo. He later confronts Lobo and Superman and the Preserver helps him in to capture the two.
After Lobo delivered Gnaww's brother and Spooj learned the truth, Gnaww was punished by being sent to janitor duty.