Couldn't find anything on forums so i decided to ask this question.

Could it be they are the same person ???May be he sued aliases like Chan Fan Kei and Cheng Yung Yu???

http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

Chan Fan Kei and Chen Yung Yu at least have the same last name. But in this case none of his characters is the same.