- Real Name: 김국헌 (Kim Gukheon)
- Date Of Birth: April 15th 1997
- Position: Lead Dancer, Main Vocal
- Height: 176cm (5ft 9in)
- Weight: 62kg (137lbs)
- Blood Type: A
- Hometown: Bundang
- Facts:
- He's the dad of the group
- He can mimic a baboon
- He's a really good dancer and has amazing vocals too
- He's super funny and he may seem serious/cold but he's a cutie
- He's easily scared
- He has recorded an OST for 비밀의 숲 (Secret Forest) +
- He collaborated with U Sungeun for a cover of Heize's -비도 오고 그래서 (You, Clouds, Rain)- +
aug 1 2017 ∞
aug 2 2017 +