Griz Ressin Duccar Tayn

 was a leader of the Freemen of the House of Kark. He and several of his people came to 18th century Naples to retrieve the Star of Tarris, the source of their power. It was being worn by Emma Hamilton and had been in her husband's family for generations. With the Third Doctor's help, the Freemen retrieved their power source without bloodshed. (PROSE: Danse Macabre)