Quintesson is a judge. There were four Quintesson members. There was the Quintesson Scientist, Quintessons (the judges), Quintesson Prosecuter, and the Quintesson Executioner.
There was only the Quintesson himself, but they did make warriors.
Quintessons was a resident of the planet Quintessa like Generation 1. There was Quintesson Executioner, Quintesson Prosecuter, and the Quintesson Scientist.