Romanian gymnast Nadia Comaneci performs a routine on the balance beam during the Summer Olympics, Montreal, Canada 1976. Comaneci was awarded seven perfect scores and three gold medals. (Photo by Hulton Archive/Getty Images)
Three-time Olympic Champion Simona Amânar. Creator of the "Amanar" vault (2.5 twisting yurchenko) currently a huge 6.3 starting value - one of the toughest vaults to date. She debuted her namesake at the 2000 Sydney games.