Late imperial era, a slightly fuzzy date range. Included emperors Marcus Aurelius, Commodus (hello, Hollywood), followed by a very turbulent period from which my favorite emperor comes from, Geta. Because you don't want to be a Geta.
Powers that be issued a damnatio memoriae after his assassination where they tried to erase every trace of him, including his images from portraits: https://upload.wikimedia.org/wikipedia/commons/0/08/Portrait...