1THE9 (Hangul: 원더나인) is a South Korean boygroup formed on the show Under Nineteen from MBC. The show was aired from November 2018 to February 2019.
The trainees were divided into three teams: Vocal, Rap & Performance. There were 19 trainees from each team, being 57 in total. The nine ones with most votes from the supporters got to debut.
They debuted on April 13th, 2019 with the mini album XIX and the title track Spotlight. On April 7th, they released a pre-debut single entitled Domino, featuring Crush, who was one
of the directors from the Vocal Team. Their contract is 17 monts long. They'll be promoting in Korea and Japan.
Jeon Doyum
Shin Yechan
Park Sungwon
Jung Jinsung
Jeong Taekhyeon
Lee Seunghwan
Kim Taewoo
Yoo Yongha
Kim Junseo
yoo yongha
INFO
January 11th, 1999
177cm
Leader
Rap & Vocal
OUI Entertainment
6º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Rap Team.
Known for his great leadership with Boss Team and for his amazing rap line on Mirotic.
The most disorganized member and everybody teases him because of this.
Junseo and him used to do some VLives together on the OUI channel.
Part of the Hyung Line, with Taewoo.
UNDER19 STAGES
First Evaluation
Friends
Boss
Mirotic
Friday Night
Shooting Star
kim taewoo
April 23rd, 1999
172cm
Vocal & Dance
A Team Entertainment
3º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Vocal Team.
Resembles Park Seojun.
He has the viral aegyo from Under19: "Taewoo will be sad".
Known for being a really chatty person.
Park of th Hyung Line, with Yongha.
UNDER19 STAGES
First Evaluation
Go Tomorrow
Love Me Right
Mirotic
Don't Forget + Whatever You Do
Shooting Star
lee seunghwan
May 20th, 2000
178cm
Dance & Vocal
Play M Entertainment
8º Place
Individual Introduction
Debut Teaser
ABOUT
Part of Performance Team.
Known for his first line on We are Young.
Speaks English really well.
A prepared and organized person, always helps the other members.
Part of a pre-debut group (PlayM Boys).
UNDER19 STAGES
First Evaluation
We are Young
HER
Mirotic
U + Black Suit
Shooting Star
shin yechan
May 14th, 2001
181cm
Vocal & Dance
Top Media Entertainment
4º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Vocal Team.
One of the tallest trainees from Under19.
Known for his first line on Go Tomorrow.
Says he's not a funny neither a serious person, but he's really funny.
Likes to work with Doyum because both of them are thoughtful when it comes to performance.
UNDER19 STAGES
First Evaluation
Go Tomorrow
Love Me Right
Fake Love
Don't Forget + Whatever You Do
Shooting Star
kim junseo
November 20th, 2001
178cm
Dance & Vocal
OUI Entertainment
9º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Performance Team.
Known for his amazing visuals.
Auditioned for The Unit with Yongha, but didn't pass.
Has a good chemistry with Doyum, since both of them always were together on missions.
He's left-handed.
UNDER19 STAGES
First Evaluation
We are Young
Shangri-la
Fake Love
U + Black Suit
Like Magic
jeon doyum
February 21st, 2002
174.5cm
Center
Dance, Vocal & Rap
Play M Entertainment
1º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Performance Team.
Known for his handflips.
Former C9 trainee.
Huge fan of BTS, decided to become an idol after watching them performing I Need U.
Part of a pre-debut group (PlayM Boys).
UNDER19 STAGES
First Evaluation
We are Young
Shangri-la
Fake Love
U + Black Suit
Like Magic
jung jinsung
March 30th, 2002
176cm
Vocal, Dance & Rap
Play M Entertainment
2º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Vocal Team.
Self proclaimed "sexy man".
Resembles the annoying orange when he smiles.
Always carries a duck wristband that was made by Seunghwan's mother. She said it looks just like him.
Part of a pre-debut group (PlayM Boys).
UNDER19 STAGES
First Evaluation
Go Tomorrow
I Need U
Growl
Don't Forget + Whatever You Do
Like Magic
jeong taekhyeon
July 28th, 2003
178cm
Rap
Management Air
5º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Rap Team.
Known for being Boni on Boni and Hani show.
Good at MCing.
Has been acting since he was 6. Apperared on various movies, dramas and advertisements.
The mood-maker of the group, has a good relationship with everyone.
UNDER19 STAGES
First Evaluation
Friends
Boss
Be Mine
Friday Night
Shooting Star
park sungwon
December 18th, 2003
179cm
Rap
A Team Entertainment
7º Place
Individual Introduction
Debut Teaser
ABOUT
Member of Rap Team.
He's always smiling.
Known for his first line on Friends, and his amazing rap line on Her.
Really good at writing lyrics.
The cutest maknae.
UNDER19 STAGES
First Evaluation
Friends
HER
Growl
Friday Night
Like Magic
OFFICIAL ACCOUNTS
TO WATCH
REALITY SHOWS:
Under Nineteen
Wonderland
LIVE/SHOWCASE:
First VLive
First Instagram Live
First Mini Album Showcase 'XIX' | Youtube Version
VARIETY SHOWS:
IDOL RADIO ep.132
IDOL RADIO ep.185 (only Doyum)
IDOL RADIO ep.195
MBC FM4U Kim Shin Young Radio
Weekly Idol ep.403
MAKING OF/BEHIND:
Like Magic Dance Practice
Domino (Feat. Crush)
First Mini Album 'XIX' - 1 2 3
IDOL RADIO ep.132
Under19 Final Concert Behind - 1 2 3
Wonderland A to Z Behind - 1 2
MUSIC VIDEOS:
Pre-debut: 'Under Nineteen'
We are Young - Performance Team
Go Tomorrow - Vocal Team
Friends - Rap Team
Debut: 'XIX'
Domino (Feat. Crush)
The Story | The Story (Drama Ver.)
Spotlight
DANCE PRACTICES:
Like Magic - Official | Custome Ver. | Custome Ver. 2 | Individual Cam (Custome Ver.)
Domino (Feat. Crush)
Spotlight - Suit Ver.