Nama asli: Lee Jinki

Nickname: Leader Onew

Tanggal lahir: 14 Desember 1989

Posisi: Sub vocal sama Leader

Height: 177 cm

Blood type: O

Hobby/interest: Music, piano

Bahasa yang dikuasai: Korea, Inggris, Mandarin

Occupations: Singer, dancer, model, host, actor
Hometown: Gwangmyeong, Gyeonggi-do
Weight: 61 kg
Education: Chungwoon University
Hobbies: Listening Music, Playing Piano, Speaking Mandarin, and Eating Chicken
Training: Since 2006 S.M. Academy Casting
Filmography: Dr. Champion ("Cameo"-2010), Brothers were Brave (Joo-Bong-2010), Rock of Ages (Drew-2010)