Khal Drogo was introduced in a novel.
A Game of Thrones is the first novel in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin . In the novel , recounting events from various points of view , Martin introduces the plot-lines of the noble houses of Westeros , the Wall , and the Targaryens . Khal Drogo is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . 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 .