The Kallumites (more frequently called the "Masters") were a mysterious sentient race native to the hostile planet Lum. Assumed to be the original inhabitants of the planet, they were extremely scientifically advanced, as demonstrated by the fact that they managed to eke out a sizable empire on a planet where life should have been impossible, and managed to import and genetically modify a number of extra-planetary species, including humans (who were turned into the Baquin), caprids (quiluks), and simians (jaberiks). They also showed a certain skill at organizing these imported species in a way that preserved their own dominance—the quiluks, having been adapted to inhale carbon monoxide and exhale oxygen, were used to provide air for the Baquin, while the Baquin provided labor, and the jabe