Yuchen Xie, also known as 'Third Uncle,' is a prominent character in the Chinese novel series 'Daomu Biji,' also known as 'The Grave Robbers' Chronicles.' He is the third son of the Xie family and plays a crucial role as a skilled and knowledgeable tomb raider. Known for his intelligence and resourcefulness, Yuchen often serves as a mentor and guide to the protagonist, Wu Xie. His deep understanding of ancient tombs and artifacts makes him an indispensable ally in their adventures, while his mysterious past adds depth to his character.