Buro

Buro was the King of Omashu and an Earth Kingdom sage who lived in the late 4th and early 3rd centuries BG.

History
Buro was one of the many earthbending masters who attempted to use the rituals of directional geomancy to locate the next Earth Avatar. However, like all the other sages and masters, he failed to locate the Avatar.

Kyoshi Novels

 * The Rise of Kyoshi (mentioned)