"Welcome everyone to Produce81. Famouse Debuted Groups fight for a place for the global

mega group. New and Old Idols, who will win"

Produce101 with Already debuted Members from famous groups.

New Groups (2015-2018):

Seventeen: Vernon, Seungwan, Mingyu                Pentagon: Hunggu, Jinho                           

MonstaX: Shownu, Kihyun, Jooheon                      NCT127: Yongho, Yuta, Sicheng

Ikon: Bobby, Jinhwan, Chanwoo                             NCT Dream: Renjun, Jeno

Astro: JinJin, Rocky                                              The Boyz: Jacob, Juyeon, Sunwoo

SF9: Taeyang, Inseong, Youngbin                            Stray Kids: Woojin, Felix, Minho

Day6: Dowoon, Jae, Younghyun, Sungjin, Wonpil

Middle Groups (2010-2014):

Teen Top: CAP, Niel                                     BTOB: Minhyuk, Hyunsik,

Block B: Kyung, Taeil, U-Know                   EXO: Minseok, Junmyeon, Sehun

B1A4: Sandeul, Gongchan                          Vixx: Hakyeon, Taekwoon, Hongbin                                     

BAP: Youngjae, Zelo                                     Infinite: Myungsoo, Sunggyu

BTS: Jungkook, Jin, Hoseok                        Got7: Jaebum, Mark, Yugyeom

Winner: Seungyoon, Seunghoon, Mino, Jinwoo

Older Groups (2005-2010):

Super Junior: Sungmin, Kangin, Kyuhyun              U-Kiss: Kevin, Kiseop, Jun

Big Bang: Taeyang, Jiyoung, Daesung                    Highlight (Beast): Yoseob, Dongwoon

TVXQ: Yunho, Changmin                                           MBLAQ: Mir, G.O.

JYJ: Jaejoong, Junsu       

Shinee: Taemin

2PM: Nickhun, Taecyeon, Chansung

Total: 21