Koo Kien Keat is a Malaysian former professional badminton player. He succeeded in both men's and mixed doubles and in his partnership with Tan Boon Heong he reached a career high ranking of world num

Markis Kido was an Indonesian badminton player specializing in men's doubles. As a former world number 1, he won the discipline's gold medal at the 2006 World Cup, 2007 World Championships, 2008 Olymp