Who is that youngster in Borat, the one playing the very well-endowed porn-star son of Kazakhstan’s least-favorite son? He’s Adrian Cortez, a bona fide star of adult films, known in the biz as Stonie, a veteran of 65 or so gay films, and, until recently, more noted for his superior “ah-noose,” as Borat might say, than his penis. Stonie’s manager, David Forest, tells Radar that the Borat producers approached him in June of last year, looking for “someone who would look 13 or 14 but was actually of legal age and would do frontal nudity,” he said. He immediately thought of Stonie because “he’s a small-framed boy but has a large organ. About eight inches, and thick.” So there’s one more reason why the movie has such good word-of-mouth, so to speak.