Gathus was a Jiralhanae and dedicated soldier of the Covenant Army. He was notable as one of the few exemplorary Jiralhanae marksmen during the Human-Covenant War. At nine feet, three inches, Gathus was taller than most of his kind, making him a powerful warrior. He was known during the better part of his career as a leader of a small pack of Jiralhanae as well as a handful of Unggoy officially named Unit-133. Though time and time again the group would suffer casualties, Gathus' leadership was renowned among subordinates.