We can all get some sleep now! From the New York Times:

The lingering mystery, though, was who was behind the site. The question was answered on Saturday when Andrey Ternovskiy responded to the questions we sent to an e-mail address on Chatroulette. Mr. Ternovskiy said he was a 17-year-old high school student in Moscow.

“I was not sure whether I should tell the world who I am mainly because of the fact that I am under age. Now I think that it would be better to reveal myself,” Mr. Ternovskiy wrote.
I asked Mr. Ternovskiy about the origin of the idea for ChatRoulette, how he manages the technical challenges of running the site, whether he viewed it as a business, and about the way some people were using Chatroulette in, as he put it, “some not very nice ways.” Here are his e-mailed responses, slightly edited and condensed:

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