Lance Barber is an American actor. He is known for playing George Cooper, Sr. on the CBS sitcom Young Sheldon (2017–2024) and The Big Bang Theory (2018), and played a different character on the Big Bang Theory before he was established as Sheldons dad, this time playing Lenoards high school bully, and as well as Bill Ponderosa on the FX show It's Always Sunny in Philadelphia (2010–2013; 2015–2018). Wikipedia