Long Feng

The leader of the Dai Li and the de facto leader of Ba Sing Se, Long Feng is a power-hungry, manipulative advisor to the Earth King, the very definition of "the man behind the man." Born as the son of a merchant in the Middle Ring, Long Feng transcended his relatively humble origins to become the most feared man in the city. As the war with the Fire Nation spread and refugees began pouring into Ba Sing Se in greater and greater numbers, Long Feng decided to keep all information relating to the war away from the Earth King, thereby appointing himself the sole dictator in matters relating to international affairs. Even the Council of Generals could not break through his stranglehold on the Royal Palace, cowed by Long Feng's secret police. Long Feng created the secret prison beneath Lake Laogai where he could stash anyone in the city who dared to stand against him, and developed the brainwashing techniques that disabled his foes