No. 1 is a sub-unit of Wanna One. The sub-unit consists of 3 members: Jihoon, Jinyoung and Guanlin.

Name: Park Jihoon/박지훈
Birthday: May 29, 1999
Birthplace: Masan, South Korea
Blood Type: AB
Height: 173 cm
Weight: 61 kg
Position in group: Main Dancer, Lead Vocalist, Lead Rapper, Visual
Original Company: Maroo Entertainment
Languages: Korean
Hobbies: gaming

Rank 2 on Produce 101

Name: Bae Jinyoung/배진영
Birthday: May 10, 2000
Birthplace: Seoul, South Korea
Blood Type: B
Height: 175 cm
Weight: 62 kg
Position in group: Main Vocalist, Lead Dancer
Original Company: C9 Entertainment
Languages: Korean
Hobbies: listening to music, singing

Rank 10 on Produce 101

Stage Name: Guanlin

Name: Lai Guan Lin/賴冠霖
Birthday: September 23, 2001
Birthplace: Taipei, Taiwan
Blood Type: O
Height: 183 cm
Weight: 63 kg
Position in group: Main Rapper, Vocalist, Maknae
Original Company: Cube Entertainment
Languages: Chinese, English, Korean
Hobbies: listening to music, basic dancing

Rank 7 on Produce 101