"Who? Who is but the form, following the function of /what/, and /what/ I am is a man in a mask."
"Well I can see that."
"Of course you can! I am not doubting your powers of observation. I am merely commenting on the paradox of asking a masked man who he is."
"But on this more auspicious of nights, allow me, in lieu of the more commonplace sobriquet, to suggest the character of this dramatic persona..."
I'm hardly a scary guy in a mask - but that's the best damn "Hi, my name is: " I've ever heard.