TO1
to1
WAKEONE Entertainment

About TO1

“TOgether As 1!
Hello, we are TO1!”

TO1 was a K-pop boy band made up of eight members – DONGGEON, CHAN, JISU, JAEYUN, J.YOU, KYUNGHO, DAIGO and YEOJEONG. The band debuted on April 1, 2020 under n.CH Entertainment. TO1’s label was switched to WAKEONE Entertainment in 2021.


TO1 Profile

Group티오원 | TO1
AKATOO
Fandom투게더 | TOgether
DebutApril 1, 2020
Debut AlbumREASON FOR BEING : 仁
LeaderJAEYUN
DisbandedDecember 31, 2023
Years Active2020 – 2023
LabelWAKEONE Entertainment (2021 – 2023)
Official Pageig @to1_offcl
ytb @TO1Official
twtr @TO1_offcl
twtr @TO1_members

TO1 Members

MemberBornPosition
DONGGEON07/15/1999Vocalist
CHAN12/08/1999Rapper, Dancer
JISU01/19/2000Vocalist, Dancer
JAEYUN08/16/2000Leader, Main Vocalist
J.YOU11/02/2000Rapper
KYUNGHO05/07/2001Vocalist, Dancer
DAIGO01/21/2002Vocalist, Dancer
YEOJEONG01/29/2005Vocalist

Height (from tallest to shortest)

#MemberHeight
1KYUNGHO183cm
2YEOJEONG182cm
3DONGGEON180cm
4CHAN180cm
5JISU178.4cm
6JAEYUN175.5cm
7J.YOU174cm
8DAIGO173cm

Citizenship

#MemberCitizenship
1DONGGEONRepublic of Korea
2CHANRepublic of Korea
3JISURepublic of Korea
4JAEYUNRepublic of Korea
5J.YOURepublic of Korea
6KYUNGHORepublic of Korea
7YEOJEONGRepublic of Korea
8DAIGOJapan

Blood Type

#MemberBlood Type
1KYUNGHOA
2YEOJEONGAB
3DONGGEONB
4JISUB
5JAEYUNB
6J.YOUB
7DAIGOB
8CHANO

Zodiac Sign

#MemberZodiac Sign
1JISUCapricorn
2DAIGOAquarius
3YEOJEONGAquarius
4KYUNGHOTaurus
5DONGGEONCancer
6JAEYUNLeo
7J.YOUScorpio
8CHANSagittarius

TO1 Members Profile & Facts

DONGGEON

donggeon
WAKEONE Entertainment

Name동건 | DONGGEON
Full Name송동건 | 宋東建 | Song Donggeon
Date of BirthJuly 15, 1999
HometownCheongju, Chungcheongbuk-do, South Korea
CitizenshipRepublic of Korea
Height180cm | 5′-11″
Shoe Size285-290mm
Blood TypeB
Zodiac SignCancer
FamilyMother, Father, Younger Sister
EducationIncheon Gonghang High School
PositionVocalist

DONGGEON Facts

His name means “build in the east.”
His childhood dream was to be a scientist.
DONGGEON had LASIK eye surgery in 2021.

CHAN

to1
WAKEONE Entertainment

Name찬 | CHAN
Full Name조찬혁 | Cho Chanhyuk
Date of BirthDecember 8, 1999
HometownAnsan, Gyeonggi-do, South Korea
CitizenshipRepublic of Korea
Height180cm | 5′-11″
Blood TypeO
Zodiac SignSagittarius
FamilyMother, Father, Older Sister
EducationHanlim Arts School (dropped out)
PositionRapper, Dancer

CHAN Facts

He is left-handed.

JISU

to1
WAKEONE Entertainment

Name지수 | JISU
Full Name최지수 | Choi Jisu
Date of BirthJanuary 19, 2000
HometownSuyeong-gu, Busan, South Korea
CitizenshipRepublic of Korea
Height178.4cm | 5′-10″
Blood TypeB
Zodiac SignCapricorn
FamilyMother, Father, Older Brother
PositionVocalist, Dancer

JISU Facts

Favorite Subject in School: history

JAEYUN

jaeyun
WAKEONE Entertainment

Name재윤 | JAEYUN
Full Name이재윤 | Lee Jaeyun
Date of BirthAugust 16, 2000
HometownSeoul, South Korea
CitizenshipRepublic of Korea
Height175.5cm | 5′-09″
Blood TypeB
Zodiac SignLeo
FamilyMother, Father, Older Brother, Older Sister
PositionLeader, Main Vocalist

JAEYUN Facts

He went to middle school with BEOMGYU (TOMORROW X TOGETHER).

J.YOU

jeyou
WAKEONE Entertainment

Name제이유 | J.YOU
Full Name김제유 | Kim Jeyou
Date of BirthNovember 2, 2000
HometownChangwon, Gyeongsangnam-do, South Korea
CitizenshipRepublic of Korea
Height174cm | 5′-09″
Blood TypeB
Zodiac SignScorpio
FamilyMother, Father, Older Sister
PositionRapper

J.YOU Facts

Favorite Color: blue

KYUNGHO

to1
WAKEONE Entertainment

Name경호 | KYUNGHO
Full Name장경호 | Jang Kyungho
Date of BirthMay 7, 2001
Place of BirthSeoul, South Korea
CitizenshipRepublic of Korea
Height183cm | 6′-00″
Blood TypeA
Zodiac SignTaurus
FamilyMother, Father, Older Sister
EducationHanlim Arts School
PositionVocalist, Dancer

KYUNGHO Facts

His childhood dream was to be a soccer player.

DAIGO

to1
WAKEONE Entertainment

Name다이고 | DAIGO
Full Name코바야시 다이고 | Kobayashi Daigo
Date of BirthJanuary 21, 2002
HometownJapan
CitizenshipJapan
Height173cm | 5′-08″
Blood TypeB
Zodiac SignAquarius
FamilyMother, Father, Two Younger Sisters, Younger Brother
PositionVocalist, Dancer

DAIGO Facts

He is a former PRODUCE 101 Japan Season 2 contestant.

YEOJEONG

yeojeong
WAKEONE Entertainment

Name여정 | YEOJEONG
Full Name전여여정 | Jeon Yeoyeojeong
Date of BirthJanuary 29, 2005
HometownSouth Korea
CitizenshipRepublic of Korea
Height182cm | 6′-00″
Blood TypeAB
Zodiac SignAquarius
FamilyMother, Father, Younger Brother
PositionVocalist

YEOJEONG Facts

Training Period: 1 year
His grandmother named him Yeoyeojeong.

TO1 Discography

YearTypeAlbum TitleTitle Track
2023Digital SingleHugHug
20224th EPUP2UFreeze Tag
3rd EPWHY NOT??Drummin’
20212nd EPRE:ALIZENo More X
1st EPRE:BORNSon of Beast
TOO
20202nd EPRunning TOOgetherCount 1, 2
1st EPREASON FOR BEING : 仁Magnolia

TO1 Facts

TOO (Ten Oriented Orchestra) changed their band name to TO1 on March 28, 2021.
Six TO1 members (DONGGEON, CHAN, JISU, JAEYUN, J.YOU and KYUNGHO) were selected after they competed on a survival show called TO BE WORLD KLASS.

Former TO1 Members

NameBornPositionYears Active
CHIHOONApril 27, 1999Main RapperApril 1, 2020 – April 30, 2022
MINSUMarch 20, 2000Vocalist, DancerApril 1, 2020 – June 17, 2022
JEROMEAugust 25, 2001VocalistApril 1, 2020 – June 17, 2022
WOONGGIApril 23, 2002Vocalist, DancerApril 1, 2020 – June 17, 2022
RENTAFebruary 16, 2003Rapper, DancerJune 17, 2022 – September 22, 2023

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