According to Wikipedia,
"The Annoying Orange is an American comedy web series created by former Minnesota film student and MTV production assistant Dane Boedigheimer in 2009. It stars its creator as an anthropomorphic orange who annoys other fruits, vegetables, and various other objects by using jokes, which are sometimes crude-humored. The YouTube channel "Annoying Orange" has over 3.5 million subscribers.
Despite the show's negative critical reception, the show's popularity after its first episode led it to become the subject of a TV series, a video game, a range of toys, and a t-shirt line. Other accessories, such as costumes of the series characters, have also appeared on the market for the company."
This is just an example of how YouTube can make average everyday people that produce small projects into rock star status overnight.