*First, there is no conflict of interest. Just because I put them in the article doesn't make a conflict of interest. If you actually believe there is a COI, then you should immediately report it to the COIN, then they can laugh at you for thinking that is a COI.  
 ::*The NPC is the amateur body. Winning certain NPC shows get you a "pro card", which makes you a professional. Using the NPC to verify who won their shows and earned a pro card makes perfect sense. 
 ::*As for your WP:OTHERCRAPEXISTS dodge about "other city articles use this", who cares? Show me a POLICY that says you're not notable if you don't have a wikipedia article.