Yemelyan Pugachev
Yemelyan Ivanovich Pugachev () (c. 1742 – ) was a Russian Cossack who led a great popular insurrection during the reign of Catherine the Great, claiming to be her late husband, Emperor Peter III. Alexander Pushkin wrote a notable history of the rebellion, "The History of Pugachev", and he recounted some of the events in his novel "The Captain's Daughter" (1836).
Astafy Dolgopolov
Astafy Trifonovich Dolgopolov (Астафий Трифонович Долгополов), b. 1725, d. after 1797, was a Russian confidence trickster and impostor deceiving both Yemelyan Pugachev and Catherine II of Russia during the Pugachev Rebellion.