Pig Bajie is a character in Wu Cheng'en The Journey to the West. The dharma name Wuneng is the second disciple of the Tang Priest, who was originally the Marshal of the Jade Emperor Tianpeng. Because flirting with the fairy of the Nishang Feather clan (Chang 'e clan, the "Chang 'e" in The Journey to the West is the fairy of Yuefu. Not Heng E, the legendary wife of Hou Yi. ) was expelled from heaven, but he voted for a pig fetus by mistake.

Tang Priest and the Monkey King went west to learn Buddhist scriptures, passed through Gaolaozhuang and fought the Monkey King in Zhanyun Cave. Hearing the name of Tang Priest, they went to visit. From then on, he became a disciple of the Tang Priest to protect Tang Priest from going to the Western Heaven to learn Buddhist scriptures, and was finally named the messenger of the net altar. Bajie has a simple and honest personality, great strength, love to take advantage of small things, and lust for women.