Raymond Wong Pak-Ming & Wong Paak Ming are the same person

http://hkmdb.com/db/people/view.mhtml?id=4323&display_set=eng

http://hkmdb.com/db/people/view.mhtml?id=4369&display_set=eng

Yep, I agree (it was definitely Raymond Wong Pak Ming that wrote Odd Couple anyway).

Yes, he also appears in "One Way Only".

If you do not know how to merge them I will do it in 15 days.