Jimmy 'MrBeast' Donaldson just recently released merch that enabled buyers to appear as an "executive manufacturer" at the end of a video. When 9-year-old fan Alexander Hedge paused it to take images by his name, he didn't recognize he had just won a car.

YouTube benefactor MrBeast has given away millions of dollars in cash as well as possessions over the last couple of years. This moment, he might have discovered among his youngest fans.

Staying in Sarasota,…