The 2004 movie The Twins Effect II is notable for the first joint appearance on screen by Jackie Chan and his son. What's the son's name?
The Twins Effect II: The Twins Effect II is a 2004 Hong Kong action fantasy film directed by Corey Yuen and Patrick Leung. The Twins Effect II:  Jackie Chan also makes a cameo appearance, along with his son Jaycee Chan who is in his debut. Jaycee Chan: Joming Jaycee Chan (born 3 December 1982), better known as Jaycee Chan, is an American-born Hong Kong actor and singer.
Jaycee Chan