Jiao Zi (born Yang Yu in 1980) is a pioneering Chinese animation director, screenwriter, and producer best known for helming the historic blockbuster animated films Ne Zha (2019) and Ne Zha 2 (2025). Jiao Zi (born Yang Yu in 1980) is a pioneering Chinese animation director, screenwriter, and producer best known for helming the historic blockbuster animated films Ne Zha (2019) and Ne Zha 2 (2025).