He has judged X Factor US, UK, Pop Idol, American Idol and Britain's Got Talent before. He is also the producer of the Got Talent franchise, the Idol franchise, and the X Factor Franchise. As a judge, Cowell often makes blunt and controversial comments, including insults and wisecracks about contestants and their abilities. He is known as the "honest judge."
To date, Simon has never voted for a variety act over a singing act in the Judges' Choice on AGT. However, he has done so before on Britain's Got Talent (although the last time was in 2015, before he joined AGT).