Cheng Wu

Cheng Wu is Cheng Yu's son. There is little historically noted for him. After his father's death, he is mentioned to have inherited his father's legacy and sworn service to Cao Pi. His son, Cheng Ke, eventually succeeded his position. He plays a slightly large role in the games and the novel

Romance of the Three Kingdoms
Romance of the Three Kingdoms has Cheng Wu serve during Cao Rui's lifetime and he appears only in chapter 92. He served under Xiahou Mao when fighting against the army under Shu, then having Xiahou Mao surround and then attack Zhao Yun as to catch him unaware. Cheng Wu also advised catching Zhao Yun by deploying an ambush.