1THE9

POCKETDOL STUDIO
About
“Wonder About Us!
Hello, we are 1THE9!”
Hello, we are 1THE9!”
1THE9 was a project boy band made up of nine members – Yoo Yongha, Kim Taewoo, Lee Seunghwan, Shin Yechan, Kim Junseo, Jeon Doyum, Jung Jinsung, Jeong Taekhyeon and Park Sungwon. The band debuted on April 13, 2019 under POCKETDOL STUDIO and disbanded on August 15, 2020.
1THE9 Profile
Group | 원더나인 | 1THE9 |
---|---|
Fandom | 원더랜드 | WONDERLAND |
Debut | April 13, 2019 |
Debut Album | XIX |
Latest Release | Good Bye 1THE9 |
Leader | Yoo Yongha |
Official Color | Lime Punch |
Disbanded | August 15, 2020 |
Years Active | 2019 – 2020 |
Label | POCKETDOL STUDIO |
Distributor | Kakao Entertainment |
Official Page | ![]() ![]() ![]() |
1THE9 Members
1THE9

Yoo Yongha
01/11/1999
Leader
Sub Rapper

Kim Taewoo
04/23/1999
Lead Vocalist

Lee Seunghwan
05/20/2000
Main Dancer
Lead Vocalist

Shin Yechan
05/14/2001
Main Vocalist

Kim Junseo
11/20/2001
Lead Dancer
Sub Vocalist

Jeon Doyum
02/21/2002
Center
Main Dancer
Sub Rapper

Jung Jinsung
03/30/2002
Lead Vocalist
Lead Dancer

Jeong Taekhyeon
07/28/2003
Lead Rapper

Park Sungwon
12/18/2003
Main Rapper
Age (from oldest to youngest)
# | Member | Age |
---|---|---|
1 | Yoo Yongha | 24 |
2 | Kim Taewoo | 24 |
3 | Lee Seunghwan | 23 |
4 | Shin Yechan | 22 |
5 | Kim Junseo | 22 |
6 | Jeon Doyum | 21 |
7 | Jung Jinsung | 21 |
8 | Jeong Taekhyeon | 20 |
9 | Park Sungwon | 19 |
Height (from tallest to shortest)
# | Member | Height |
---|---|---|
1 | Shin Yechan | 183cm |
2 | Park Sungwon | 182cm |
3 | Yoo Yongha | 178.6cm |
4 | Lee Seunghwan | 178cm |
5 | Kim Junseo | 178cm |
6 | Jeong Taekhyeon | 178cm |
7 | Jung Jinsung | 176.5cm |
8 | Jeon Doyum | 176cm |
9 | Kim Taewoo | 173cm |
Discography
Year | Type | Album Title | Title Track |
---|---|---|---|
2020 | 4th EP | Good Bye 1THE9 | Count |
3rd EP | Turn Over | Bad Guy | |
2019 | 2nd EP | Blah Blah | Blah |
1st EP | XIX | Spotlight | |
The Story |
1THE9 Facts
1THE9 was formed on the competition show UNDER NINETEEN. |
UNDER NINETEEN (2018 – 2019)
Final Rank | Name | Label | Team | Title Song | Position | Shuffle | Director Collab | Final |
---|---|---|---|---|---|---|---|
1 | Jeon Doyum Play M | Performance | We are Young | Shangri-La | FAKE LOVE | U+Black Suit | Like A Magic |
2 | Jung Jinsung Play M | Vocal | Go Tomorrow | I NEED U | Growl | Don’t Forget | Like A Magic |
3 | Kim Taewoo A team | Vocal | Go Tomorrow | LOVE ME RIGHT | MIROTIC | Don’t Forget | Shooting Star |
4 | Shin Yechan TOP Media | Vocal | Go Tomorrow | LOVE ME RIGHT | FAKE LOVE | Don’t Forget | Shooting Star |
5 | Jeong Taekhyeon Management Air | Rap | FRIENDS | BOSS | Be Mine | Friday Night | Shooting Star |
6 | Yoo Yongha OUI | Rap | FRIENDS | BOSS | MIROTIC | Friday Night | Shooting Star |
7 | Park Sungwon A team | Rap | FRIENDS | HER | Growl | Friday Night | Like A Magic |
8 | Lee Seunghwan Play M | Performance | We are Young | HER | MIROTIC | U+Black Suit | Shooting Star |
9 | Kim Junseo OUI | Performance | We are Young | Shangri-La | FAKE LOVE | U+Black Suit | Like A Magic |
Category: 2019 Debuts