I have four.
No that's not a sarcastic joke.
By masks I mean 'undercover identities'.
The name, e-mail, and history of this 'Stocking' mask could have easily been fabricated, and no doubt in my mind it is a 'mask' because of all the frequent 'pretending'.
Well, its not just that, but you got the idea.
Right so it's a mix of mine and Strovbe's guesses.