Castle J
| Stage Name | Castle J |
| Full Name | Son Seong Jun |
| Country of Birth | Korea |
| Date of Birth | May 31, 1999 |
| Age | 24 years old |
| Height | N/A |
| Weight | N/A |
| Blood Type | O |
Not Ranked
Group
Profile
Son Seong Jun (손성준; born May 31, 1999), better known as Castle J, is a South Korean singer. He is the leader and the oldest member of the Kpop group MCND under TOP Media.
Profile
Stage Name: Castle J
Full Name: Son Seong Jun
Native Name: 손성준
Birth Place: Korea
Birthday: May 31, 1999
Height: 176 cm (5'9")
Weight: 60 kg (132 lbs)
Blood Type: O
Zodiac: Gemini
Group
Fun Facts and Trivia
- Age trivia: Castle J was 20 years old (international age) when he debuted with MCND on Feb 27, 2020.
- Position: leader, main rapper.
- Hobbies: watching movies along, eating by himself, listening to music, and shopping.
- Specialty: composing music.
- He started as a child actor.
- He likes music and games, the color purple, and rolls.
- He dislikes snakes, bees, and sports.
- He is a Taekwondo 3rd dan.
- MBTI: ENTJ.
- He is an only child.