CAREER HIGHLIGHTS: World champion has dominated the sport the last two seasons, winning all but two competitions (she was third at 2008 world championships and second at the 2009 Grand Prix final) and shattering the 200-point barrier on her way to the world title in March. ... Shows no signs of slowing down, opening this season with a commanding win over rival Mao Asada at Trophee Eric Bompard and victories at Skate America and the Grand Prix final. ... First figure skater from South Korea to medal and win at an ISU championship. ... Enjoys rock star status in South Korea, where her nickname is "Queen Yu-na." ... Trains in Canada with Brian Orser, the Olympic silver medalist in 1984 and '88. ... Loves karaoke.