Jimmy Donaldson, better know as Mr Beast, who's garnered fame for his expensive stunts and challenges, has scripted history by becoming the first YouTuber to reach 300 million subscribers. Amonth prior , Mr.Beast surpassed T-Series, an Indian music label gaint, to becomethe most subscribed YouTube channel. His channel showcases fast-paced, high production videos feathing elaborate challenges and lavish giveaways. MrBeast also has several business ventures and is known for his philathrogy, including projects like planting 20 million trees and raising millions for various charitalbe causes.