Gerold Hightower is an unseen character in Game of Thrones. He is not expected to appear in the series, being long dead by the time it starts. Ser Gerold Hightower was a knight of House Hightower and the Lord Commander of the Kingsguard under Aerys II Targaryen.
Ser Gerold Hightower's entry in The Book of Brothers mentions several events of his life. Among them are his injury defending the honor and property of Princess Elia Martell; granting temporary command of the Kingsguard to his sworn brother Ser Arthur Dayne. The Book also mentions he that was sent to locate Prince Rhaegar Targaryen in the wake of Robert's Rebellion, and his death along with Ser Arthur and Ser Oswell Whent near the Red Mountains of Dorne fighting a small force led by Eddard Stark after refusing to bend the knee to the new king, Robert Baratheon.
In the booksEdit
In the A Song of Ice and Fire novels, Ser Gerold Hightower was known as "the White Bull" for his immense strength. He was Lord Commander of the Kingsguard during the brief reign of King Jaehaerys II and then under King Aerys II.
Gerold Hightower, similarly to Barristan Selmy and Arthur Dayne, was blindly loyal to the Mad King, no matter how cruel and bloodthirsty Aerys was. He is present when Aerys executes Rickard Stark and his son. He notices that Jaime Lannister disapproves of the unjust atrocity and tells him "You swore a vow to guard the king, not to judge him".
Ser Gerold Hightower