Sergei Troyan
Sergei Igorevich Troyan( born 4 October 1984) is a Russian professional football player.
Artyom Popov
Artyom Igorevich Popov( born 30 August 1992) is a Russian professional football player.
He plays as a left back or right winger for FC Rotor Volgograd.
Billy Argyros
Billy Argyros, commonly referred to as Billy the Croc or The Croc, is a Greek Australian professional poker player.
His interest in the game of poker first developed when he lost all his money at a poker game that a friend had hosted.
He studied poker strategy and his game improved dramatically afterwards.
He began using his new- found knowledge of the game at low- stakes poker tables, but he quickly learned and moved up to the high- stakes poker games in different local casinos in his region.
In 1995, Argyros cashed in the money in the$ 10,000 No Limit Hold'em Main Event, finishing 15th of a field of 273 players, winning$ 24,220.
He has also cashed one time on the World Poker Tour.
He recently appeared on the television show Australian Celebrity Poker Challenge as the resident expert, during which players may call' The Croc' to provide advice once during the game.
Argyros received his nickname' The Croc' while playing against Johnny Moss in a satellite event for the World Series of Poker.
He introduced himself as' Crocodile Billy', copied from the movie" Crocodile" Dundee, which was popular at the time.
As of 2013, Argyros' total live tournament winnings exceed$ 1,100,000.
Sergei Loginov
Sergei Igorevich Loginov( born 4 September 1963) is a former Russian football player.
Sergei Plakhtiy
Sergei Igorevich Plakhtiy( born August 17, 1988) is a Russian professional football player.
He last played for FC Druzhba Maykop.
Sergei Igorevich Popov
Sergei Igorevich Popov( born 22 February 1987) is a former Russian professional football player.
Elizabeth G. Volkonskaia
Elizabeth Volkonskaia( 1838–1897) was a Russian noble and courtier.
She played a leading role within the Catholic movement in Russia and has been referred to as the first woman in Russia to conduct serious historical theological studies.
Her children were Sergei Mikhailovitch Volkonsky, Peter Volkonsky, Alexandr Volkonsky and Vladimir Volkonsky.
Gennadi Touretski
Gennadi Gennadiyevich Touretski( born 17 July 1949) is a swimming coach, best known for training multiple Olympic gold medalists Alexander Popov and Michael Klim through the 1990s to early 2000s at the Australian Institute of Sport( AIS).
As of early 2011, he has been working with Ian Thorpe in Switzerland.
Sergei Kovalyov (footballer, born 1965)
Sergei Igorevich Kovalyov( born 22 September 1965 in Krasnodar) is a former Russian football player.
Sergei Igorevich Nekrasov
Sergei Igorevich Nekrasov( born February 19, 1986) is a Russian football goalkeeper who last played for FC Taganrog.
He made his debut in the Russian Second Division for FC Taganrog on October 23, 2011 in a game against FC Astrakhan.

Question: Were Sergei Igorevich Popov and Billy Argyros of the same nationality?
Answer: no