List some of the historic Khals in A Song of Ice and Fire.
Khal Mengo, Khal Horro, Khal Qano, Khal Zeggo, Khal Temmo
Instruction: List some of the historic Khals in A Song of Ice and Fire.
Context: 
Response: Khal Mengo, Khal Horro, Khal Qano, Khal Zeggo, Khal Temmo