Birth Name: Kim Sung Gyu
Stage Name: Sunggyu
Nickname: Grandpa, Leader, Hamster, Honey Sungkyu
Date of Birth: April 28, 1989
Height: 178 cm
Position: Leader & Main Vocalist
Blood Type: A
Education: Dae Kyung University – Practical Music
Best Feature: Hands
Hometown: Jeonju, South Korea
- He was in the school band named ‘Beat’ at Jeonju National University High School.
- His biggest reason for singing with Woollim Entertainment is because of Nell.
- He has a weak heart. So, he can’t stay mad as long.
- If Infinite is a family, he’d be the dad.
- He chose Dongwoo who most likely be the best at love/relationships, because when you first see Dongwoo, he seems clumsy but he has a pure charm.
- He shares room with Woohyun and Sungyeol.
- When asked to choose between 4Minute’s Hyuna or f(x)’s Krystal, he chose Krystal.