Sun Wukong
The painting depicts an episode from the Chinese classic "Journey to the West". In the episode, the monkey king Sun Wukong is fighting the boy god Nezha, who was sent by the Jade Emperor to capture Sun Wukong. In the fight, both Nezha and Sun Wukong transform themselves into gods with three heads and six arms. In the painting, Nezha is depicted on a fire wheel, which is commonly associated with him as his way of transport.