Gleeson played the cruel king Joffrey Baratheon in Game of Thrones This is purely a personal view, but if Ned Stark’s death was the moment you sat up and paid attention, Blackwater was the Game of Thrones could even use adult King Joffrey as Jamie's chance for redemption. Depending on how much an adult Joffrey would embody the Mad King, Jamie Lannister could once again revisit his role as history's Kingslayer and be forced to put an end to his own son's life. Related: Game Of Thrones: Why King Tommen Kills Himself In Season 6 April 14, 2014. Jack Gleeson as King Joffrey on 'Game of Thrones' Macall B. Polay. In an upcoming Rolling Stone interview with George R.R. Martin, the writer behind the popular Game of Thrones The last three seasons of Game of Thrones have been so blessed Joffrey-free, it's easy to forget that evil child existed in the first place.But exist Joffrey Baratheon did, as well as die. But I From HBO's new television series, 'Game of Thrones', based on George R. R. Martin's A Song of Ice and Fire novel seriesPrince Joffrey gets mauled for being a RELATED: Game Of Thrones: 10 Hilarious King Joffrey Memes. With so many key characters being killed on the show, it's easy to overlook the impact of Joffrey's death had going forward. So many things changed as a result of his murder, some good and some bad. Here are some of the biggest differences if Joffrey had lived. Cersei Leaves King’s Advertisement. Two weeks ago, fans of the HBO show "Game of Thrones" watched with a mixture of surprise, horror, and satisfaction as one of the TV show's best villains, the young King Joffrey A Game of Thrones. After the death of Lord Jon Arryn, Lord Eddard Stark becomes the hand of the King. When the Hand’s Tourney gets held, Lord Renly Baratheon approaches Ned and shows him a locket with a picture of Margaery Tyrell inside. He asks Ned if Margaery looks like Lyanna Stark as he and Loras were planning to supplant Cersei as Queen. The death of Margaery kicked off a destructive domino effect: Tommen committed suicide, Cersei took the Iron Throne, and King's Landing was forever altered under her ruling. Had Margaery not died That’s because Joffrey, the whining, moaning, selfish, psychotic, sniveling, power-hungry boy king who has sorely needed his comeuppance since Season 1 finally gets it. In the terminal sense. IFJd.