Castle J (Son Seongjun)

Find out more about Kpop Male Idol Castle J’s Profile, Age, Birthday, Height, Weight, Net worth, Ideal Type, Facts, wiki, and Biography information. On Kpopwall.com, Castle J ranked as the 445th famous K-pop Star from South Korea.


Castle J Profile and Bio:

Castle J is a famous South Korean Rapper, Composer, and member of the K-pop boy group MCND. His birth name is Son Seongjun and his native name is 손성준

 Full Name: Son Seongjun
 Korean Name: 캐슬제이
 Japanese Name: キャッスルJ
 Profession: South Korean Rapper and Composer
 Age: 23
 Date of Birth: 31-May-99
 Place of Birth: South Korea
 Country: South Korea
 Star Sign: Gemini
 Height: 1.76 m (5′ 9″)
 Weight: 132.28 lbs (60 kg)
 Nationality: South Korean


Son Seongjun was born on May 31, 1999, in South Korea. The day he was born was Monday.


Castle J is currently 23 years old.

Birthplace and Residence:

Castle J’s birthplace is South Korea. He currently lives in South Korea.

Height, Weight, and Blood type:

Castle J’s actual height is 5 feet 9 inches (176 cm) and his weight is 60 kg.

 Height in Meter: 1.76 m
 Height in Feet and inches: 5 ft 9 in
 Weight in Kg: 60 kg
 Weight in Pound (lbs): 132.28 lbs
 Blood Type: N/A

Zodiac Sign:

Castle J’s sun sign is Gemini. His zodiac sign is most compatible with Gemini, Libra, Aquarius and less compatible with Virgo, Pisces.

 Zodiac Sign: Gemini
 Zodiac Element: Assertive
 Zodiac Energy: Air
 Zodiac Modality: Mutable
 Opposite Zodiac Sign: Sagittarius
 Zodiac Sign Gemstone: Agate    
 Birth Flower: Lily Of The Valley & Hawthorn
 Chinese Zodiac: Ox

Castle J’s Ideal Type:

Castle J’s ideal type of person is patient, kind, stubborn, and conservative.


 Education: N/A
 University: N/A
 High school / School: N/A

Family and Relationship:

Castle J’s relationship information is not known yet.

 Father’s Name: N/A
 Mother’s Name: N/A
 Spouse Name: N/A
 Relationship Status: Single

Net Worth and Salary:

From various websites and interviews, we can get an idea about the income and net worth of Son Seongjun. As of 2023, Castle J’s estimated net worth is $1 – $5 million. He has been able to acquire this amount of net income being as a professional Rapper and Composer.

 Net worth in 2023: $1 – $5 million
 Salary in 2023: N/A
 Source of Wealth: Rapper and Composer
 Estimated Wealth Verification Status: Unverified

Castle J Facts:

— His hobbies are watching movies alone, listening to music and shopping.
— favorite food are meat, Sashimi, Coca Cola, and Coffee.
— favorite nickname is Dinosaur.
— Castle J is also known as “Son Seongjun”.
— According to Castle J’s birth year 1999, he is a person from the Gen Z generation.
— Castle J’s birth flower is Eucalyptus.
— Castle J’s Chinese zodiac sign is Ox and her zodiac personality traits are: honest and dependable.


Castle J can speak Korean language.


1) Castle J’s band group name is MCND, and the band is still active.
2) His position in the band is Main Rapper.
3) His training period was 2015 – 2020.
4) His agency name is TOP Media.
5) The Active year of the group is 2020–present.
6) The band members of the MCND group are:
Minjae –
Huijun –
Win –


* Album information will be updated.


* Award information not found.

Is Castle J Still Alive?

Castle J is still alive.

Social Profile:

* Not available.

Source: Wiki and Interviews (CC BY 3.0)

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