Aleksandr Aleksandrovich Karelin (Russian: Александр Александрович Карелин; born 19 September 1967) is a retired Greco-Roman wrestler for the Soviet Union and Russia. Nicknamed the "Russian Bear", "Russian King Kong", "Alexander the Great" and "The Experiment", he is considered the greatest Greco-Roman wrestler of all time. Karelin won gold medals at the 1988, 1992 and 1996 Olympic Games under a different flag each time (Soviet Union, Unified Team and Russia respectively), and a silver medal at the 2000 Olympic Games. His wrestling record is 887 wins and two losses. Karelin was the national flag bearer at three consecutive Olympics: in 1988 for the Soviet Union, in 1992 for the Unified Team, and in 1996 for Russia.