K-pop Boy Groups

KKD Members Profile: Full Names, Ages, Heights, Weights and More

June 27, 2026 | By Kris Lodhi

KKD members are Changgeun, Janghyun, Eunsung, Solomon, Donghyun, Jinwook, Yeonho, Youngheum, Byeongchan, and Heeseok.

Origin	Seoul, South Korea
Debut	N/A
Disbanded	December 31, 2023
Number of Members	10
Members	Changgeun Janghyun Eunsung Solomon Donghyun Jinwook Yeonho Youngheum Byeongchan Heeseok
Oldest Member	Bak Changgeun
Youngest Member (Maknae)	Kim Heeseok

KKD Former Members Profile

Changgeun

KKD member Changgeun

Full Name	Bak Changgeun
Birthday	November 05, 1972
Birthplace	Yeongju, Gyeongsangbuk-do, South Korea
Age	53 years and 7 months old
Height	5 feet 7 inches (170 cm)
Weight	132 lbs (60 kg)
Zodiac Sign	Scorpio
Blood Type	B
Education	Youngshin High School, Daegu University

Janghyun

KKD member Janghyun

Full Name	Park Janghyun
Birthday	June 06, 1989
Birthplace	N/A
Age	37 years old
Height	5 feet 9 inches (175 cm)
Weight	132 lbs (60 kg)
Zodiac Sign	Gemini
Blood Type	A

Eunsung

KKD member Eunsung

Full Name	Ko Eunsung
Birthday	September 11, 1990
Birthplace	N/A
Age	35 years and 9 months old
Height	N/A
Zodiac Sign	Virgo

Solomon

KKD member Solomon

Full Name	Lee Solomon
Birthday	August 14, 1993
Birthplace	N/A
Age	32 years and 10 months old
Height	N/A
Zodiac Sign	Leo

Donghyun

KKD member Donghyun

Full Name	Kim Donghyun
Birthday	October 26, 1994
Birthplace	N/A
Age	31 years and 8 months old
Height	N/A
Zodiac Sign	Scorpio

Jinwook

KKD member Jinwook

Full Name	Son Jinwook
Birthday	February 17, 1995
Birthplace	Daegu, South Korea
Age	31 years and 4 months old
Height	N/A
Zodiac Sign	Aquarius
Instagram	jinwk_danggisio

Yeonho

KKD member Yeonho

Full Name	Jo Yeonho
Birthday	January 04, 1996
Birthplace	N/A
Age	30 years and 5 months old
Height	6 feet 2 inches (187 cm)
Zodiac Sign	Capricorn

Youngheum

KKD member Youngheum

Full Name	Kim Youngheum
Birthday	August 27, 1997
Birthplace	N/A
Age	28 years and 10 months old
Height	N/A
Zodiac Sign	Virgo

Byeongchan

KKD member Byeongchan

Full Name	Lee Byeongchan
Birthday	January 08, 1998
Birthplace	N/A
Age	28 years and 5 months old
Height	N/A
Zodiac Sign	Capricorn

Heeseok

KKD member Heeseok

Full Name	Kim Heeseok
Birthday	May 07, 1998
Birthplace	N/A
Age	28 years and 1 month old
Height	N/A
Zodiac Sign	Taurus
Blood Type	B
Position	Maknae

Member Ages: Oldest to Youngest

Member	Birthday	Age
Changgeun	November 05, 1972	53 years, 7 months, 22 days old
Janghyun	June 06, 1989	37 years, 21 days old
Eunsung	September 11, 1990	35 years, 9 months, 16 days old
Solomon	August 14, 1993	32 years, 10 months, 13 days old
Donghyun	October 26, 1994	31 years, 8 months, 1 day old
Jinwook	February 17, 1995	31 years, 4 months, 10 days old
Yeonho	January 04, 1996	30 years, 5 months, 23 days old
Youngheum	August 27, 1997	28 years, 10 months old
Byeongchan	January 08, 1998	28 years, 5 months, 19 days old
Heeseok	May 07, 1998	28 years, 1 month, 20 days old

FAQs

How many members are in KKD?

KKD is a 10-member K-pop boy group. The group consists of Changgeun, Janghyun, Eunsung, Solomon, Donghyun, Jinwook, Yeonho, Youngheum, Byeongchan, and Heeseok.