<Li> 伍佰 - Wu Bai, stage name of Taiwanese singer Wu Chun - lin (吳俊霖). </Li> <Ul> <Li> 武 承 嗣 - Wu Chengsi </Li> <Li> 武松 - Wu Song, hero from the Chinese classic Outlaws of the Marsh . </Li> <Li> 武则天 - Wu Zetian </Li> <Li> 武 衛 - Maggie Wu, Chinese business executive and Chief Financial Officer of Alibaba Group </Li> </Ul> <Li> 武 承 嗣 - Wu Chengsi </Li> <Li> 武松 - Wu Song, hero from the Chinese classic Outlaws of the Marsh . </Li>

Where does the last name wu come from