Huang Hao
Liu Shan is traditionally considered as an incompetent rulers who trusted evil courtiers (such as Huang Hao), was responsible for Shu Han's fall, and behaved despicably in front of Sima Yao. He is also criticized for not timely awarded posthumous Marquis title to Zhao Yun, the one who saved his life and also contributed greatly to Shu Han (he only did so after the complaint of Jiang Wei and others).