Li Zicheng

Li Zicheng (22 September 1606 – 1645), born Li Hongji, also known as the Thunder King, was a Chinese peasant rebel leader who helped overthrow the Ming dynasty in April 1644 and ruled over northern China briefly as the Yongchang Emperor (Chinese: 永昌帝; pinyin: Yǒngchāng Dì) of the short-lived Shun dynasty before his death a year later.