Why doesn't Ne Zha bear surname 'Li' of his father? Where is he from?

(ECNS) -- The Chinese animated blockbuster Ne Zha 2 has taken the box office by storm, continuously breaking records. Various places across China have vied to claim the boy as their local deity, which raises a series of interesting questions: Where exactly is Ne Zha's hometown? Why Ne Zha doesn't bear the surname "Li" of his father Li Jing? Why does he have a double-bun hairstyle? Click the video for an expert's analysis!