한 Yongseok Yongseok (용석) was a South Korean Male Artist. He started in group Checkmate. He retired in 2021. Read All General Information International Stage Name : Yongseok Domestic Stage Name : Pronounce 용석 Full Name : Choi Yong Seok Pronounce Full Domestic Name : Pronounce 최용석 Date of Birth : 1996-05-23 (age 30) Zodiac : Gemini Country of Birth : South Korea Related Artists : Checkmate - Vocal Artist retired : 2021 Original group : Checkmate (No longer a member) Images