Some of my friends know, but all of my close friends know! So about 20 people.
I don't hide it though, nor do I advertise it.
They only know because they've asked about it :)
My girl bestfriend, who's an artist, introduced me to it by making me the reference and model :P
I usually read it with the ones who know for shids and giggles.
I'm a man + ......