MrBeast (real name Jimmy Donaldson) is the most subscribed YouTuber in the world, with over 515 million subscribers on his main channel, known for his high-production challenge videos and massive philanthropic stunts. Born in Wichita, Kansas, and raised in Greenville, North Carolina, he started posting videos in 2012 under the name "MrBeast6000" but rose to fame in 2017 after his viral video I Counted to 100,000!. He built a business empire through Beast Industries, launching brands like MrBeast Burger, Feastables, and Lunchly, while co-founding fundraising campaigns such as Team Trees ($24M+), Team Seas ($30M+), and Team Water ($40M+), as well as creating the reality series Beast Games. A college dropout diagnosed with Crohn's disease, he spent years obsessively studying YouTube's algorithm before achieving viral success. His accolades include multiple Streamy and Nickelodeon Kids' Choice Awards, a spot on Time's 100 most influential people list in 2023, and Forbes ranking him the highest-paid YouTuber in 2024. Fortune estimated his net worth at approximately $2.6 billion in 2026.