Niutou (Ox-Head Guardian Abang)

Niutou’s given name is Abang, first recorded in the *Sutra on the Five Sufferings and Their Explanatory Verses*, which describes him as a jailer named Abang—ox-headed, human-handed, with cloven hooves for feet, possessing mountain-shaking strength and bearing an iron trident. As one of the chief guardians and executioners of hell, Niutou—paired with Mamian (Horse-Face)—has been a standard fixture of Chinese underworld iconography since the Tang and Song dynasties, typically standing guard on either side of Yama’s Hall or flanking the entrance to Ksitigarbha temples. Though fearsome in appearance, folk tradition portrays Niutou and Mamian not as demons but as impartial, law-abiding officers of the netherworld, dedicated solely to punishing evil spirits while safeguarding virtuous souls—a moral exemplar reminding the living to revere justice and tread carefully in their conduct.