한 Sunggu Sunggu (성구) was a South Korean Male Artist. He started in group HIGH4. He retired in 2017. Read All General Information International Stage Name : Sunggu Domestic Stage Name : Pronounce 성구 Full Name : Kim Sunggu Pronounce Date of Birth : 1992-01-22 (age 34) Zodiac : Aquarius Country of Birth : South Korea Related Artists : HIGH4 - Leader,Vocal Artist retired : 2017 Original group : HIGH4 (No longer a member) Images