Michael PHELPS (US): An American international swimmer who has, overall, won 16 Olympic medals — six gold and two bronze at Athens in 2004, and eight gold at Beijing in 2008, winning more medals than any other athlete at both of these Olympic Games.
Dwight PHLILIPS (US): He is an American athlete and a four-time world champion in the long jump. He was the 2004 Olympic champion in the event.
Oscar PISTORIUS (South Africa): A South African sprint runner who has a double amputation and known as fastest man on no legs.
Caster SEMENYA (South Africa): She is a South African middle-distance runner and world champion. Following her victory at the 2009 world championships, questions were raised about her gender.
Jordyn WIEBER (US): She is an American artistic gymnast and is the 2011 World All Around Champion.
In Image (clockwise from left): Pellegrini, Phelps, Phlilips, Pistorius, Semenya and Wieber