Wu Hsing-kuo and Yu Wanzeng are five years apart in age; one was formerly the LU Kuang Chinese Opera troupe's leading performer of wuhsusheng (older male acrobatic roles), while the other is a Grade I performer of hsiaosheng (younger male roles) at the China Peking Opera Company.
吳興國、于萬增相差五歲，一個曾是陸光劇隊的當家武須生，一個是中京院一級小生演員。