To me, it seems the sarcasm, writing styles, referencing tactic in the jokes, method of delivery is all too similar.
Yep - I've always wondered myself
I have long followed and enjoyed lyx2no's posts from uncle through sad demise to nephew. I would say that the three possibilities are equally likely, but if I had to take a bet on it, I would probably go with - there was never an uncle, and it's always been the young lyx2no. But I don't dwell on it and take him at face value. He's far too amusing and clever to worry about it...
What made me spit out my coffee was his revelation that he's black
Makes me feel like Brian barking at P Diddy...