한 Castle J Castle J (캐슬제이) is a South Korean Male Artist. He started in group MCND. Read All General Information International Stage Name : Castle J Domestic Stage Name : Pronounce 캐슬제이 Full Name : Son Sangjoon Full Domestic Name : Pronounce 손성준 Date of Birth : 1999-05-31 (age 27) Zodiac : Gemini Country of Birth : South Korea Related Artists : MCND - Leader,Rapper Original group : MCND Images