Dr. Sydney Van Gurben is a scientist who studied Bigfoot. He wrote a book called Bigfoot: True or Real?. He also dressed up as Bigfoot just to create hype so that people would buy his book. He appeared only in iBelieve in Bigfoot. He was caught in the end. He also states he wasn't very popular as a kid as he replies to Sam's question. He must want people to buy his book so much as he mentions his book over and over on the iCarly show. He is also noted for calling Robin's Weiners a "Weinery." He wants people to buy his book so that he can finally not be a "loser" and be famous for once.