한 Members of TO1 TO1 (티오원) was a South Korean Boy Group that debuted in 2020. They retired in 2023 with a 9 artist final line-up. Return to Artist Read All Members 2020202120222023 JaeyunChihoonMinsuSeongminWoongkiChanDonggeonJ.YOUJisuKyunghoDaigoRentaYeojeong Jaeyun (이재윤) Full Name: Lee Jaeyun Date of Birth: 2000-08-16 (26 years) Zodiac sign: Leo Country: South Korea Active period: 2020-2023 Role: Leader,Vocal Chan (찬) Full Name: Cho Chan Hyuk Date of Birth: 1999-12-08 (26 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2020-2023 Role: Rapper,Dancer Donggeon (동건) Full Name: Song Donggeon Date of Birth: 1999-07-15 (27 years) Zodiac sign: Cancer Country: South Korea Active period: 2020-2023 Role: Vocal J.YOU (제유) Full Name: Kim Jaeyu Date of Birth: 2000-11-02 (26 years) Zodiac sign: Scorpio Country: South Korea Active period: 2020-2023 Role: Rapper Jisu (지수) Full Name: Choi Ji Su Date of Birth: 2000-01-19 (26 years) Zodiac sign: Capricorn Country: South Korea Active period: 2020-2023 Role: Vocal,Dancer Kyungho (경호) Full Name: Jang Kyungho Date of Birth: 2001-05-07 (25 years) Zodiac sign: Taurus Country: South Korea Active period: 2020-2023 Role: Vocal,Dancer Daigo (다이고) Full Name: Kobayashi Daigo Date of Birth: 2002-01-21 (24 years) Zodiac sign: Aquarius Country: Japan Active period: 2022-2023 Role: Vocal,Dancer Renta (렌타) Full Name: Nishijima Renta Date of Birth: 2003-02-16 (23 years) Zodiac sign: Aquarius Country: Japan Active period: 2022-2023 Role: Rapper,Dancer Yeojeong (여정) Full Name: Jeon Yeoyeo Jeong Date of Birth: 2005-01-29 (21 years) Zodiac sign: Aquarius Country: South Korea Active period: 2022-2023 Role: Vocal,Maknae Past Members Chihoon (치훈) Full Name: Choi Chihoon Date of Birth: 1999-04-27 Zodiac sign: Taurus Country: South Korea Active period: 2020-2022 Role: Vocal,Rapper Minsu (민수) Full Name: Kim Min Su Date of Birth: 2000-03-20 Zodiac sign: Pisces Country: South Korea Active period: 2020-2022 Role: Vocal,Dancer Seongmin (성민) Full Name: Oh Sungmin Date of Birth: 2001-08-25 Zodiac sign: Virgo Country: South Korea Active period: 2020-2022 Role: Vocal Woongki (웅기) Full Name: Cha Woongki Date of Birth: 2002-04-23 Zodiac sign: Taurus Country: South Korea Active period: 2020-2022 Role: Vocal,Maknae Images Return to Artist