The Hawklords of the High Aerie are humans who serve Ajax the Invincible under the leadership of Wingmaster L'aan. Mounted atop giant hawks, they are amongst the Overlord's most feared enforcers, although many of the Hawklords privately resent Ajax's rule.
“Red Sky at Morning” (Episode 1)
During the attempted assassination of Mortum, the Chain of Acheron discovered that Mandrake was posing as the wizard in an attempt to lure out the leaders of the rebellion against Ajax. Upon being revealed, Ajax's floating fortress, the Chrysopolis, appeared and with it came the Hawklords that leveled the last remaining church in Vasloria as well as a large portion of the city of Blackbottom.