Jaime Lannister Sword Hand
Jaime was born shortly after the birth of his twin sister Cersei Lannister. The two were inseparable as children, and at an early age began an incestuous affair that continued into adulthood and even after Cersei's marriage to Robert Baratheon. At the age of fifteen he participated in the battle against the Kingswood Brotherhood, squiring for Lord Sumner Crakehall, and was subsequently knighted by Ser Arthur Dayne. While returning to Casterly Rock, he visited Cersei at King's Landing, who persuaded him to join the Kingsguard in order to be close to her. Jaime was accepted into the Kingsguard, but Tywin resigned as Hand of the King, taking Cersei with him back to Casterly Rock. Jaime quickly realizes that Aerys II Targaryen named him to the Kingsguard solely to strip Tywin of his heir. Jaime becomes further disillusioned after witnessing Aerys burn Rickard and Brandon Stark alive and overhearing him raping his sister-wife Rhaella. When Tywin begins sacking King's Landing at the climax of Robert's Rebellion, Jaime realises that Aerys intends to burn King's Landing with wildfire and kills him, almost immediately being discovered by Tywin's men. Robert Baratheon later pardons Jaime for breaking his vows and names him to his own Kingsguard. Although Jaime considers his assassination of Aerys as his greatest act, his motives for killing him remain unknown to the rest of the realm and he is given the insulting moniker "Kingslayer".