Coby Persin is a well-known YouTube prankster whose channel, zipkid99, has garnered over 6 million subscribers. He gained significant attention for his videos such as "Girl Walks Around NYC With No Pants" and "Making Homeless Guys Arm Wrestle For Money," both of which have been viewed more than 10 million times. Before venturing into YouTube, Coby worked as a model for Abercrombie and Fitch for a year. His modeling career also included appearances in advertisements for companies like Fuerte Men, Mentality Magazine, and the NFL.