|Alias||Gargon the Guest|
|Title||Lord of Harrenhal|
|Died||In 37 AC or shortly after, at Harrenhal|
|Book(s)||The World of Ice and Fire (mentioned)|
Gargon had a lusty appetite and was known to attend each wedding in his domain to advantage of the lord's right to the first night, giving him the nickname "Gargon the Guest".
Gargon was the grandson and successor of Lord Quenton Qoherys. During the rebellion of Harren the Red, the father of a maid deflowered by Gargon allowed Harren to enter Harrenhal. Gargon was gelded before being murdered by Harren. As Gargon was the sole living Qoherys, the house became extinct and Harrenhal was then granted to House Harroway.