Kim Un-guk  Kim Un-guk (; ; born 28 October 1988) is a North Korean weightlifter, Olympic Champion, and two time World Champion. He is also a Labor Hero and People's Athlete. At the Olympic Games 2012 he competed in the Men's 62-kg division, in the snatch portion of the competition he set an Olympic Record and matched the current world record of 153 kg. In the clean & jerk portion, his final attempt of 174 kg set a new world record total of 327 kg. At the 2015 World Weightlifting Championships he failed a doping test and had his results disqualified, he was the original silver medalist. Kim is an athlete at the April 25 Sports Club.