Why Nezha was born in Buddhism and flourished in Taoism

The origins of Nezha are still being debated in the academic world:

Buddhist origin: According to Buddhist legend, Nezha is the son of Vishamun, the northern king of the Four Heavenly Kings and one of the protectors of the Dharma in Buddhism.

Originally from Persia: The story of Sohrab consists of three main parts: a strange childhood, a campaign, and a battle between father and son. In the Book of Kings, Sohrab (like Nezha in Chinese works) hates King Caius (or King Zhou) from the beginning.

Originally from the early Nuo opera: this statement previously seen, Baidu did not find

In fact, Nezha is only folk beliefs, orthodox Taoist beliefs do not have this deity, "Three Sects of the source of the Sojourn of the Gods," said Nezha is the Jade Emperor driving under the Dala Xian, where the title of the book is written in the Three Sects, not Taoism, the middle of the emergence of some folk beliefs is unavoidable.