Sergei Prokhanov, Actor: Usatyy nyan. Sergei Prokhanov was born on December 29, 1952 in Moscow, RSFSR, USSR as Sergei Borisovich Prokhanov. He is an actor and director, known for Usatyy nyan (1978), Trizhdy o lyubvi (1981) and Derevenskaya istoriya (1981). He has been married to Tatiana Prokhanova since 1980. They have one child.