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In page Verka Serduchka:

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In 1990, Andriy Danylko began to create the character of Verka Serduchka, a flamboyant middle-aged woman from a rural family, working as a railroad sleeping car attendant. Danylko presented Serduchka publicly for the first time in a Poltava comedy competition on 4 January 1991. He invented the character's name by combining the randomly picked first name Verka and the last name of a former school classmate, Anya Serduk.[1][2] Danylko later gave his Serduchka character a "mother," played by actress Inna Bilokon, who had been Danylko's close friend since school.