For 10 points, identify this office, whose holders were often depicted in statuary on the Capitoline Hill to legitimize their rule.
One bronze depiction of a person with this job originally accompanied a cowering enemy, and legendarily protects the surrounding city with its gilding. Another portrayal of one of these people was based on The Spear-Bearer and features Cupid atop a dolphin near the leg; that is known as the Prima Porta statue of one of these people. A statue of another of them survives in fragments such as a (*) seven-foot head. For 10 points, identify this office, whose holders were often depicted in statuary on the Capitoline Hill to legitimize their rule.
One bronze depiction of a person with this job originally accompanied a cowering enemy, and legendarily protects the surrounding city with its gilding.
{Roman emperors} [accept obvious equivalents]