They are a new Group From Pledis Entertainment they haven't debuted yet so they were planning to have 17 members now is still 15

And Freaking Samuel (middle)  is 10 years old OMG srsly?? I'm A Noona????????????

Their Profile: 

{Choi Seungcheol}

{Jang Doyoon}

August 31 or September 6, 1995

{Hong Jisoo}

December 30, 1995

{Wen Junhui}

June 10, 1996

{Kwon Soonyoung}

June 15, 1996

{Jeon Wonwoo}

July 17, 1996

{Lee Jihoon}

November 22, 1996

{Yao MingMing}

January 5, 1997

{Lee Seokmin}

February 18, 1997

{Kim Mingyu}

April 6, 1997

{Bu Seunggwan}

January 16, 1998

{Choi Vernon Hansol}

February 18, 1998