Korean famous comedian 유재석- Yoo Jae-suk(http://en.wikipedia.org/wiki/Yoo_Jae-suk) ‘s nick name.
유 means his last name “유(Mr.Yoo)” and a suffix ~느님 comes from 하느님(God), so ~느님 uses to talk about someone who is deserve to be praised and loved by many people.
In Korea, 유재석 is very popular by all the people. So people call him as 유느님 praising him.
난 유느님 같은 사람하고 결혼하고 싶어.