Yong Jun Hyung more commonly known as Poppin' Dragon or Joker, is a South Korean pop singer, rapper, songwriter and dancer. He was born on december 19, 1989 in Seoul, South Korea. Jun Hyung's real name was Yong Jae Soon but changed to Yong Jun Hyung when he was in the 6th grade. He was a member of the boyband "Xing" which also consisted of Kevin and Kibum (U-Kiss), Yume, Cheon Hyesung, and ZEN. He went by the name Poppin' Dragon while promoting with Xing. Now he is a member of B2ST. His position in B2ST is rapper. His height is 179cm weight 64kg. His blood type is O. He attended Anyang Art High School.