The Spartoan race are human in appearance with only subtle differences to tell them apart from one another. As a whole the Spartoi race can live over a thousand years as individuals who reach a hundred are still considered young adults. They have superhuman strength and also share a common ancestry with the Shi'ar. Though not technically allies the Spartoi and the Shi'ar have a mutual understanding of one another and don't consider each other as enemies.
The Spartax empire spans over several hundred star systems with the emperor and a council of ministers ruling them all.