Jacky Wu is a Taiwanese television show host, singer, and actor. He hosts numerous variety shows, such as the long running popular Taiwanese variety show Guess.

Guess was a Taiwanese television variety show, hosted by Jacky Wu and other hosts, that began on 4 July 1996 and ended its run on 18 August 2012. It was broadcast in Taiwan, weekly on Saturdays from 22:00 to 00:00 on free-to-air China Television (CTV) (中視) and syndicated to be broadcast in Singapore weekly on Saturdays 23:30 on free-to-air MediaCorp Channel U and Malaysia's 8TV weekly on Sundays 17:00 to 18:30.