Who's the Simon Cowell of South Korea?

He's the King of Ballads and the Emperor of Live Music in his home country.
He consults taxi drivers and waiters when choosing title songs for his albums.
He's celebrating his 25th year in the entertainment industry next year. He's also published books; one of them's a cookbook with his favourite recipes.
He continues to enjoy success despite his problems with drugs.
He's the acid-tongued judge on "Superstar K", the Korean version of American Idol.
He's Lee Seung-Chul.

Source:
http://joongangdaily.joins.com/article/view.asp?aid=2910992
http://www.jpopasia.com/profiles/2123/lee-seung-chul.html