Jimmy Donaldson, 22, a YouTube megastar better known as Mr. Beast, operates six YouTube channels with names like MrBeast, MrBeast Shorts and Beast Reacts that together have 91 million subscribers.

NEW YORK, NEW YORK - MAY 17: MrBeast and Mark Rober speak onstage during the YouTube Brandcast 2022 ... More at Imperial Theatre on May 17, 2022 in New York City. (Photo by Noam Galai/Getty Images ...