Oleg Demidov's birth name is Oleg Anatolyevich Demidov.
Aleksandr Demidov's birth name is Aleksandr Sergeevich Demidov.
Oleg Belousov's birth name is Oleg Pavlovich Belousov.
Oleg Kovalov's birth name is Kovalov, Oleg Albertovich.
Oleg Kulikovich's birth name is Oleg Borisovich Kulikovich.
Oleg Leonidov's birth name is Shimansky, Oleg Leonidovich.
Oleg Loginov's birth name is Oleg Sergeevich Loginov.
Oleg Solomonov's birth name is Oleg Yakovlevich Solomonov.
Oleg Safronov's birth name is Oleg Aleksandrovich Safronov.
Oleg Shklovsky's birth name is Shklovsky, Oleg Mendeleyevich.
Oleg Kapanets's birth name is Kapanets, Oleg Nikolayevich.
Oleg Kashin's birth name is Oleg Vladimirovich Kashin.
Oleg Fialko's birth name is Fialko, Oleg Borisovich.