Kim Sung-kyu
Kim Sung-kyu, better known by the mononym Sunggyu or Sungkyu is a South Korean singer, songwriter, actor, and MC. He is the leader and main vocalist of South Korean boy band Infinite.
- Title: Kim Sung-kyu
- Popularity: 1.41
- Known For: Acting
- Birthday: 1989-04-28
- Place of Birth: Jeonju, North Jeolla, South Korea
- Homepage: http://woolliment.com/artists_profile_infinite_sungkyu.wol
- Also Known As: 김성규, 성규, Kim Seong-gyu, Sung-gyu, 인피니트, Infinite