Yoon Doo Joon (์ค๋์ค), more commonly known as Doojoon or Dujun, is a South Korean idol singer, rapper and dancer. He is the leader of the Korean boy group B2ST. The group debuted in October 2009 and has released one Korean full-length album, five Korean mini-albums, one Japanese full album and various singles. His dream of becoming a high school Physical Education teacher changed suddenly during his second year of high school after watching MTV's Big Bang Documentary. Read more on Last.fm