This guy has "down syndrome" and he make fun of the stero type. He is funny. Listen to the very end he's a hobbyist! He has several videos.
http://www.youtube.com/watch?v=7Qrq48DSqlo

This has got to be one of the funniest things I've ever seen!!

WOW! I am watching......(with only the slightest pangs of guilt)

He's not stupid. He knows exactly what he is doing. Comedy! He is making money by making fun of himself and DS. Good for him!!!