BTOB:
Debut: 22 March 2012

Eunkwang: 21 (November '90)
Minhyuk: 21 (November '90)
Changsub: 21 (Feburary '91)
Hyunsik: 20 (March '92)
Peniel: 19 (March '93)
Ilhoon: 17 (October '94)
Sungjae: 16 (May '95)

APINK:
Debut: 19 April 2011

Chorong: 20 (March '91)
Bomi: 17 (August '93)
Eunji: 17 (August '93)
Naeun: 17 (Feburary '94
Yookyung: 16 (September '94)
Namjoo: 16 (April '95) (she turned 16 3 days before debut)
Hayoung: 14 (July '96)

HOLY APINK WAS HELLA YOUNG GUIZE