Rangy at six feet two and clad in a gray Nike sweatsuit, Donaldson has been walking me through his company’s warehouse, showing off the detritus of various videos made under the MrBeast banner, a melange of stunts, pranks, and eye-popping cash giveaways. MrBeast, is the biggest YouTuber in the country and possibly, by the time this story is published, the world. In an undisclosed location in North Carolina, Jimmy Donaldson is about to show me a million dollars in cash.ĭonaldson, a.k.a.