Prince Fyodor Yuryevich Romodanovsky (Russian: Фёдор Юрьевич Ромодановский; ca.
He served as the country's first head of secret police, operating the Preobrazhensky prikaz [ru] from 1686 to his death.
His integrity and resolution won him the admiration of young Tsar Peter (r. 1682–1725), who made him "Generalissimo" of his toy army.
For his vital services to the crown Peter jocundly styled Romodanovsky "His Caesarean Majesty" (кесарское величество) and "Prince Caesar" (князь-кесарь).
The Tsar addressed him in German as "Min Herr Koenig" ("My Lord King") and signed his own letters "Your Majesty's humblest servant Piter".