Park Tae-hwan
Park Tae-hwan is a South Korean competitive swimmer who is an Olympic gold medalist and world champion. He has four Olympic medals, five world titles, and 20 Asian Games medals. He won a gold medal in the 400-meter freestyle and a silver in the 200-meter freestyle events at the 2008 Summer Olympics. He also won two silver medals at the 2012 Summer Olympics in the 200- and 400-meter freestyle.