Marc Petrosino is a puppeteer, builder, and designer. He was a Muppeteer on Sesame Street, Elmo's Christmas Countdown, and Late Night with Jimmy Fallon. Other TV credits include Blue's Room and Crank Yankers.
In 2006, he co-founded Monkey Boys Productions with Michael Latini, Scott Hitz, and Russell Tucker. The company would go on to design and build the puppet characters for the Sesame Workshop series, Helpsters.