
His Chinese name is Chan Kong-sang (陳港生).
Yes. He formed the Jackie Chan Stunt Team, a group of stunt performers who help design and perform the stunts in many of his films.
Yes. He has written an autobiography and other books about his life and filmmaking, sharing stories about making movies and doing stunts.
He speaks Cantonese and Mandarin and also English; he has used these languages in films and interviews.