Left to Right: Personification of Rome. Its Phrygian form also recalls the origins of Rome and the landing of Aeneas. / The retiary. The mirmillones, who originally had been Gauls, formed a class of gladiators who were usually made to fight against the hoplomachs, or against the retiaries.The retiary is so named from the net (rete) which constituted its particular and distinctive weapon. Left arm armed with a strong bronze shoulder guard, raised to protect the head, and a gauntlet of mail, held tight at the wrist by a leather strap. / Profile of the shoulder guard.