The Uukaablians were a species native to the planet Uukaablis in the Kathol Outback. They had pale green skins. Originally a race of aggressive, warring factions, the Uukaablians reinvented themselves after the biological near-destruction of their world. Devoting themselves to developing medical technologies, the Uukaablians transformed their society. Uukaablians mastered the art of conversation, believing it to be an essential part of politeness and diplomacy.