Competitors dive during the Women's 100m Backstroke final during the British Gas Swimming Championships, the British swimming team trials for the London 2012 Olympic Games, at the Aquatics Center in London. (AFP/Getty Images/Ben Stansall)
United States' Michael Phelps competes in a men's 200-meter butterfly swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Mark Duncan)
Conor Dwyer @conorjdwyer - Team: USA Age: 27 Competition: Freestyle Known for: His nickname, Diddy, given to him by fellow teammate Ryan Lochte, and his gold medal win at his first Olympics in London 2012.