The Karo are especially noted for their exuberant body painting dances and celebrations. They differ from all of the other ethnic groups of the Omo in that they live in one main village.
They are directly related to the Hamar, speaking a ditect of Hamar. The two tribes are descendants of a very ancient indigenous Omotic population whose origin has been never been determined. The Karo gaze their Goat and cattle on the same pastures as the Hamar