BTS Kim Nam-joon/RM (What's so special about him?)

We all know that BTS members has different types of charisma and charms, and it is up to us (fans or just viewers) how we see them individually. As for me there's this one guy that intrigues me how he manage to still get a huge following despite, well...you know, not having the typical IDOL looks. And it's non other than the leader Kim Nam-joon or most popularly known as RM (Real Me). So what's so special about him? Since I'm very much curious, let me list down here some facts for us to find out why!