K-pop Boy Groups

TO1 Members Profile: Full Names, Ages, Heights, Weights and More

June 27, 2026 | By Kris Lodhi

Origin	Seoul, South Korea
Debut	April 1, 2020
Disbanded	December 31, 2023
Members	Jaeyun Donggeon Chan Jisu J.You Kyungho Daigo Yeojeong Chihoon Minsu Jerome Woonggi Renta
Oldest Member	Donggeon
Youngest Member (Maknae)	Yeojeong
Tallest Member	Kyungho
Shortest Member	Minsu

TO1 Former Members Profile

Jaeyun

TO1 former member Jaeyun

Full Name	Lee Jae Yun
Birthday	August 16, 2000
Birthplace	Buk-gu, Daegu, South Korea
Age	25 years and 10 months old
Height	5 feet 9 inches (175 cm)
Weight	139 lbs (63 kg)
Zodiac Sign	Leo
Chinese Zodiac Sign	Dragon
Blood Type	B
MBTI	ENFJ
Position	Leader, Main Vocalist
Instagram	now__yun

Donggeon

TO1 former member Donggeon

Full Name	Song Dong Geon
Birthday	July 15, 1999
Birthplace	Cheongju, Chungcheongbuk-do, South Korea
Age	26 years and 11 months old
Height	5 feet 11 inches (180 cm)
Weight	152 lbs (69 kg)
Zodiac Sign	Cancer
Chinese Zodiac Sign	Rabbit
Blood Type	B
MBTI	ISFP
Position	Main Vocalist
Instagram	geonsongdong__

Chan

TO1 former member Chan

Full Name	Cho Chan Hyuk
Birthday	December 8, 1999
Birthplace	Cheonan, Chungcheongnam-do, South Korea
Age	26 years and 6 months old
Height	5 feet 11 inches (180 cm)
Weight	143.3 lbs (65 kg)
Zodiac Sign	Sagittarius
Chinese Zodiac Sign	Rabbit
Blood Type	O
MBTI	ENTJ
Position	Main Dancer, Rapper, Producer
Instagram	1riwababa

Jisu

TO1 former member Jisu

Full Name	Choi Ji Su
Birthday	January 19, 2000
Birthplace	Busan, South Korea
Age	26 years and 5 months old
Height	5 feet 10 inches (178.4 cm)
Weight	141 lbs (64 kg)
Zodiac Sign	Capricorn
Chinese Zodiac Sign	Rabbit
Blood Type	B
MBTI	INFP
Position	Lead Dancer, Vocalist
Instagram	sinwu_

J.You

TO1 former member J.You

Full Name	Kim Je You
Birthday	November 2, 2000
Birthplace	Changwon, Gyeongsangnam-do, South Korea
Age	25 years and 7 months old
Height	5 feet 8 inches (174 cm)
Weight	132 lbs (60 kg)
Zodiac Sign	Scorpio
Chinese Zodiac Sign	Dragon
Blood Type	B
MBTI	ENFP
Position	Rapper, Visual
Instagram	j.youreka

Kyungho

TO1 former member Kyungho

Full Name	Jang Kyung Ho
Birthday	May 7, 2001
Birthplace	Apgujeong-dong, Seoul, South Korea
Age	25 years and 1 month old
Height	6 feet 0 inches (183 cm)
Weight	154 lbs (70 kg)
Zodiac Sign	Taurus
Chinese Zodiac Sign	Snake
Blood Type	A
MBTI	INFP
Education	Hanlim Multi Arts High School
Position	Main Dancer, Vocalist
Instagram	security_0507

Daigo

TO1 former member Daigo

Full Name	Kobayashi Daigo
Birthday	January 21, 2002
Birthplace	Tokyo, Japan
Age	24 years and 5 months old
Height	5 feet 8 inches (173 cm)
Weight	126 lbs (57 kg)
Zodiac Sign	Aquarius
Chinese Zodiac Sign	Snake
Blood Type	B
MBTI	ENFP
Position	Vocalist, Dancer
Instagram	dfive02

Yeojeong

TO1 former member Yeojeong

Full Name	Jeon Yeoyeo Jeong
Birthday	January 29, 2005
Birthplace	Daejeon, South Korea
Age	21 years and 4 months old
Height	6 feet 0 inches (182 cm)
Weight	139 lbs (63 kg)
Zodiac Sign	Aquarius
Chinese Zodiac Sign	Rooster
Blood Type	AB
MBTI	INFP
Position	Vocalist, Maknae
Instagram	im.travel5

Chihoon

TO1 former member Chihoon

Full Name	Choi Chi Hoon
Birthday	April 27, 1999
Birthplace	Incheon, South Korea
Age	27 years and 2 months old
Height	5 feet 8 inches (174 cm)
Weight	117 lbs (53 kg)
Zodiac Sign	Taurus
Chinese Zodiac Sign	Rabbit
Blood Type	A
MBTI	INFP
Position	Rapper, Vocalist, Producer
Instagram	vaan_ivi

Minsu

TO1 former member Minsu

Full Name	Kim Min Su
Birthday	March 20, 2000
Birthplace	Cheongju, South Korea
Age	26 years and 3 months old
Height	5 feet 8 inches (172 cm)
Weight	128 lbs (58 kg)
Zodiac Sign	Pisces
Chinese Zodiac Sign	Dragon
Blood Type	B
MBTI	ISFJ
Position	Dancer, Vocalist
Instagram	minminmul

Jerome

TO1 former member Jerome

Full Name	Oh Sung Min
Birthday	August 25, 2001
Birthplace	Suwon, Gyeonggi-do, South Korea
Age	24 years and 10 months old
Height	5 feet 11 inches (181 cm)
Weight	137 lbs (62 kg)
Zodiac Sign	Virgo
Chinese Zodiac Sign	Snake
Blood Type	O
MBTI	ENFJ
Position	Vocalist, Visual
Instagram	xmnrome

Woonggi

TO1 former member Woonggi

Full Name	Cha Woong Ki
Birthday	April 23, 2002
Birthplace	Seoul, South Korea
Age	24 years and 2 months old
Height	5 feet 9 inches (175 cm)
Weight	123 lbs (56 kg)
Zodiac Sign	Taurus
Chinese Zodiac Sign	Horse
Blood Type	B
MBTI	ENFP
Education	Hanlim Multi Arts School; Konkuk University
Position	Vocalist, Maknae
Instagram	chawoongki

Renta

TO1 former member Renta

Full Name	Nishijima Renta
Birthday	February 16, 2003
Birthplace	Nagasaki, Japan
Age	23 years and 4 months old
Height	5 feet 11 inches (180 cm)
Weight	139 lbs (63 kg)
Zodiac Sign	Aquarius
Chinese Zodiac Sign	Goat
Blood Type	A
MBTI	INFP
Position	Rapper, Dancer
Instagram	reeenta_

Member Ages: Oldest to Youngest

Member	Birthday	Age
Chihoon	April 27, 1999	27 years, 2 months old
Donggeon	July 15, 1999	26 years, 11 months, 12 days old
Chan	December 8, 1999	26 years, 6 months, 19 days old
Jisu	January 19, 2000	26 years, 5 months, 8 days old
Minsu	March 20, 2000	26 years, 3 months, 7 days old
Jaeyun	August 16, 2000	25 years, 10 months, 11 days old
J.You	November 2, 2000	25 years, 7 months, 25 days old
Kyungho	May 7, 2001	25 years, 1 month, 20 days old
Jerome	August 25, 2001	24 years, 10 months, 2 days old
Daigo	January 21, 2002	24 years, 5 months, 6 days old
Woonggi	April 23, 2002	24 years, 2 months, 4 days old
Renta	February 16, 2003	23 years, 4 months, 11 days old
Yeojeong	January 29, 2005	21 years, 4 months, 29 days old

FAQs

When did TO1 debut?

TO1 debuted on April 1, 2020, with their album REASON FOR BEING: 仁 (Benevolence).