The MrBeast burger. MrBeast toys. Rumors of a MrBeast phone company. Could a MrBeast bank be next? Most Read from Fast Company The world’s most-subscribed-to YouTuber, with 446 million subscribers, has filed an application with the U.S. Trademark and Patent Office for a service called MrBeast Financial. The recent trademark application for the latest venture from 27-year-old MrBeast—whose real name is Jimmy Donaldson—lists plans for a “mobile app and online services for a range of banking, financial adv ...