Real Name: 양정식 / Yang Jeongsik
Debut: 윤혁(디셈버) - 시계를보며계절을지나 (2014)
Education: 연세대학교 금속공학과 전공
Group: HotSauce
주효 - Broken ... 2019-10-07
BJ엣지 - 까꿍 20190828
주효 - 알아 2019-07-31
주효 - Monster 2019-06-30
주효 - Summer ... 2019-06-02
주효 - Maze 2019-04-29
주효 - Brookly... 2019-03-31
닉쿤 (2PM) - M... 2019-02-18
주효 - Norther... 2019-01-31
주대건, 리더(READ... 2019-01-22
NICHKHUN (닉쿤... 2018-12-19
Fei - HELLO 2018-12-08
필굿 (FEELGOOD... 2018-09-27
Boy Story - ... 2018-09-21
DIA (다이아) - ... 2018-08-09