Georgie Cooper comes across as a cocky and a bit lazy teenager who has little of intelligence despite his younger brother Sheldon overshadowing him with vast knowledge, which could get on Georgie's nerves at times.

Jerry O'Connell has been cast to play Sheldon's older brother Georgie Cooper in the upcoming season 11 finale of The Big Bang Theory. Why did he leave?Big Bang Theory: What happened to Penny’s boyfriend Kurt?Big Bang Theory: What does Kunal Nayyar really think of Raj? While we've heard Sheldon, played by Jim Parsons, speak for years about his older brother, we've never had the pleasure of actually meeting him. The brother, named George “Georgie” Cooper Jr, will appear during the season finale, at the wedding of both Amy and Sheldon.
But what happened to him and why did he leave? Please see our As the families of Sheldon Cooper (played by Jim Parsons) and Amy Farrah Fowler (Mayim Bialik) gathered for their wedding day, Sheldon was rather reluctant to invite his older brother ‘Georgie’ to his and Amy’s wedding.He told Amy his brother “tormented him his whole childhood” and he didn’t want him there on his big day.His mother Mary (Laurie Metcalfe) had other ideas, however, and Sheldon had to visit his brother to extend the invitation.Instantly the pair’s conflict was plain to see as Sheldon and Leonard (Johnny Galecki) arrived in Texas to invite George.At first, George rejected Sheldon’s invitation, telling him: “I’d rather swallow a pregnant wildcat and crap out a litter of kittens!”Leonard later went to speak with George alone to try and convince where Sheldon’s brother opened up about the resentment he holds for his sibling.It turns out, despite owning a successful tire company, George’s mum sees Sheldon has her only success.George revealed how he set up his entire business by working hard as every penny the family had went towards Sheldon and his studies.The eldest Cooper also blamed Sheldon for leaving him, his mum and sister in Texas after his father died while Sheldon left to further his career.Sheldon even admitted: “I suppose I didn’t think about who it was for everyone else.”Sheldon apologised and the brothers made their peace, resulting in George attending the wedding.In the season 11 finale, George attended Sheldon and Amy’s big day alongside his mum and sister Missy (Courtney Henggeler).O’Connell only went on to make one more appearance after season 11 in episode four of the Leonard, Howard (Simon Helberg) and Raj (Kunal Nayyar) were trying to figure out who Sheldon’s childhood friend Tam (Robert Wu) was.George gave the guys a helping hand in their search for Tam and this was the last Big Bang fans saw of him.O’Connell was only ever signed up to the CBS sitcom in a “guest starring” role.Therefore, the writers didn’t need to keep George’s storyline in the show.After appearing on Big Bang Theory, O’Connell landed recurring roles on two of the See today's front and back pages, download the newspaper, Not always affectionately nicknamed Georgie in Young Sheldon(in which Montana Jordan fills the role), the oldest Cooper sibling was often referred to in … "Jordan also praised his co-stars and called him his family.