Aggo (The North Remembers)

Aggo is a character in Game of Thrones. He débuts in the first episode of the second season. Aggo is a Dothraki bloodrider sworn to Khaleesi Daenerys Targaryen alongside Kovarro and Rakharo.

In the books
Kovarro is a new character created for the TV series who does not appear in the Song of Ice and Fire novels.