- Birth Name: Jung Young Hoon (정영훈)
- Birthday: January 15, 1993
- Blood Type: B
- Height: 180 cm (5’11”)
- Instagram: @08nnnnn
- Position: Leader, Sub-Vocalist, Main Dancer
- Stage Name: Ooon (오운)
- Weight: 64 kg (141 lbs)
- Zodiac Sign: Capricorn
aug 17 2017 ∞
aug 17 2017 +
aug 17 2017 +