However, he was only 13 years old when he uploaded his first video to YouTube back in February 2012 under the username "MrBeast6000." For the first few years, MrBeast attempted, unsuccessfully, to master the YouTube algorithm by creating the content he thought would attract the biggest audience. "If it gets the most views, it's because people click on it and I want to give them what they want," MrBeast later said.