Yu Jian, or Yeyo as she is more commonly known, is a female South Korean rapper who was born on the 31st of October 1982. She began performing in clubs in 1999 at the age of 17. She released her first solo single 우리 이혼했어요 in 2008. A year later she featured on e.via’s Motiphie Meets e.via! mini album on the track 미칠때까지. Another year later she released her first full album UNISEX YEYO x MIC which featured artists such as e.via, 조용훈, Stacy Oh, Bliss-J and several others.