1the9 Profile




Korean Name:



April 12, 2019

1the9 (원더나인, pronounced as Wonder Nine) is a South Korean boy band formed through the 2018 survival competition Under Nineteen.

The 1the9 members are Yoo Yongha, Kim Taewoo, Lee Seunghwan, Shin Yechan, Kim Junseo, Jeon Doyum, Jung Jinsung, Jeong Taekhyeon and Park Sungwon.

The group’s members are from various companies, and thet will be promoting under MBK Entertainment for 12 months.

1the9 Youtube Channel: PocketDoll Studio

1the9 V app Channel: 1the9

1the9 Facebook Page: @official.1the9

1the9 Twitter Page: @official__1the9

1the9 Instagram Profile: @official__1the9

1the9 Official Website:

1the9 Discord (unofficial):

Reddit: r/1the9


Profile Stage Name Full Name Korean Name Kor. Stage Date of Birth Country Second Country Birthplace Instagram Twitter Former
Profile Seunghwan Lee Seunghwan 이승환 승환 2000-05-20 South Korea
Profile Jinsung Jung Jinsung 정진성 진성 2002-03-30 South Korea Seoul
Profile Taekhyeon Jung Taekhyeon 정택현 택현 2003-07-28 South Korea Gunpo

Music Videos


Official Images