Khal Drogo was only introduced in A Clash of Kings.
Introduced in 1996 's A Game of Thrones , Drogo is a khal , a leader of the Dothraki , a tribe of warriors who roam the continent of Essos .	Game of Thrones	Game of Thrones	A Game of Thrones	A Game of Thrones	Dothraki	Dothraki	Essos	Essos
