Joseph Ng is one of the pre-made hosts in Downtown from The Sims 2: Nightlife. The other two pre-made hosts are Andrea Fleig and Katy Kimbrell. He can be made playable by befriending him and asking him to move in, or by marrying him.
Joseph has the same facial structure as Brandon Lillard. His name is randomized when Downtown is generated. The name "Joseph Ng" is only referenced in the game files. According to Joseph's SimDNA in SimPE, his hair was black before it turned grey.