Bombinax was a male individual who served as a lieutenant to the Queen of the planet Ktath'atn. As with all her subjects, he was infected with an Abersyn symbiote that was part of a hive the queen controlled. In the year 0 ABY, he was present at one of the queen's receptions when the Jedi Knight Luke Skywalker was presented to her by the archaeologist Doctor Chelli Lona Aphra. Hoping to feed on the Jedi, the queen invited the pair to stay, and then had Bombinax and her other servants Vespinax and Varroa harvest from the hive to prepare her for fighting Skywalker if necessary.