- Birth Name: Kim Chulmin (김철민)
- Birthday: March 29, 1996
- Blood Type: A
- Height: 180 cm (5’10”)
- Position: Main Vocalist, Keyboardist, Guitarist
- Stage Name: Chulmin (철민)
- Weight: 65 kg (143 lbs)
- Zodiac Sign: Aries
aug 17 2017 ∞
aug 17 2017 +
aug 17 2017 +