Well I didn't know if you were being sarcastic. You know how guys around here like to go "who are you" or "who is that" as a joke.
Anyways, Carrot Top is a comedian. He's ugly as hell, with big redish/orangish curly hair. Thus, Carrot Top. His gig is that he makes all these little props and uses them as jokes. Sometimes he's funny, sometimes he's not.
Here's a video if you want to see for yourself.
http://www.youtube.com/watch?v=Xl9x5YmyK6k
Bookmarks