It was told by an elderly woman. She worked in Soviet times as an accountant in the same office. Then one inspector came to them. While he was talking to the chief, Larisa Mikhailovna was engaged in her affairs and was immersed in work. Suddenly the phone ringed. She took off the phone and heard, “Call Perdun’s phone!” Mikhailovna looked around and understood that among her colleagues there was definitely no person with such a name, hence Perdun was the most terrible verifier.She said with a trembling voice: "Sorry, there Perduna is asked to the phone" In the office there was silence, and the terrible verifier came without the slightest embarrassment, took the telephone and began to talk to someone. Then he hanged his phone and said, "My name is actually Kerdun, but everyone can hear Perdun.