The man who dropped $800,000 for that insane Tom Brady All-In Challenge prize package is a 25-year-old YouTube superstar who's filthy rich ... TMZ Sports has learned.
Meet Logan Thirtyacre -- an internet sensation known as "SuperBowserLogan" who's made a fortune creating multiple YouTube channels based off his love of Super Mario video games.
At one point, Logan was reportedly making close to $1 MILLION a month in YouTube revenue!!
Logan also happens to be a massive Tom Brady fan -- he actually watched TB12 mount that historic 28-3 comeback against the Atlanta Falcons in person at Super Bowl 51 in 2017!