Here are two popular ones for the price of one: 'Who was the 'mad monk' of Russian history?' and 'What was the nickname of the Russian 'holy man' Gregory Efimovich?' Since we all know the answer to both questions is Rasputin, I shan't regale you by asking once again! However, I will ask...what does the name Rasputin mean?
Shamlessly stolen from this cool website if you ever want to know the answer