Who has appeared on Reality Television more times, Dan Haseltine or Kang Seung-yoon?
Dan Haseltine:  Haseltine has performed vocals, piano, accordion, percussion and most recently, melodica, while with Jars of Clay. Kang Seung-yoon: Kang Seung-yoon (born (1994--) 21, 1994 ), known as Seungyoon, is a South Korean singer-songwriter, record producer, actor, and leader of boy group Winner. Kang Seung-yoon:  In 2010, he participated in the reality television singing contest "Superstar K2" and finished in fourth place.
Kang Seung-yoon