Question

Who is Kim Heechul and Min Kyung-Hoon and why are they so popular?

Answer 1

Kim Hee-chul, better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor. 

Min Kyung-hoon is a South Korean singer. He is the lead vocalist of the band Buzz. His first solo album, Im·pres·sive, was released on December 5, 2007. His second solo album, Picnic, was released on June 27, 2011. 

Answer 2

Answer:

Kim Heechul or just Heechul is better known for being a member of Super Junior as one of the singers, he is also a songwriter, presenter, and actor.

Min Kyunghoon is the lead vocalist of the band Buzz. Right now he is a permanent member of the South Korean variety show Ask Us Anything a.k.a. Knowing Bros, Men on a Mission along with Heechul and many more.