Continuity mistake: While Carla's brother eats his chips, his hands move from left to right while holding the bag through out the scene. (00:09:00 - 00:09:35)
Revealing mistake: J.D visits Danni's apartment to talk to her about Elliot. The guy who answers the door says 'I better put on some underwear' but when he walks away you can see that he is wearing boxer shorts.
Answer: This is an American comedian called Scott Thompson, more widely known by his stage name of "Carrot Top".
Tailkinker ★