- Name: Kim Jongin (김종인)
- Stage name: Kai (카이)
- Position: Main dancer, rapper, vocal
- Birthday: January 14, 1994
- Star sign:: Capricorn
- Blood type: A type
- Height: 182 cm
- Weight: 69 kg
- Family: Father, mother, two sisters (85/89 line)
- Ideal type: Han Yeseol
- Favourite food: Fried chicken
aug 2 2013 ∞
jul 11 2014 +