ArtistC9 Entertainment
Ato
Ato (아토), born Song Du Hyun (송두현) on August 22, 2005, in Gyeryong, South Chungcheong Province, is the leader and main vocalist of NAZE, the seven-member multinational boy group under C9 Entertainment debuting in May 2026. Standing 174cm with blood type B and an INTJ personality, Ato developed his vocal foundation singing in a children's choir and won multiple regional competitions before trainee life. He joined EDEN Entertainment in 2021, where he trained until 2023 as part of the pre-debut lineup DailyNote. That group later debuted as ALL(H)OURS with a different roster. In 2023, Ato competed on Mnet survival show Fantasy Boys (fourth semester), building a fanbase through his strong vocal performances. After leaving EDEN, he signed with C9 Entertainment in 2025 and was revealed as a NAZE member on June 23, 2025. He studies Applied Music at the School of Performing Arts Seoul and cites TXT member Yeonjun as his role model. Ato made his acting debut starring in DREAM STAGE (2026), the TBS drama co-produced by C9 Entertainment and CJ ENM Japan that served as NAZE's pre-debut showcase. The group performed at Tokyo Girls Collection in early 2026 before their scheduled official debut.
1 articles4 creditsDebut: May 1, 2026Korean
Gallery
Filmography
2026
DREAM STAGEK-Drama
Fans Also Ask
Who is Ato from NAZE?
Ato (real name Song Du Hyun) is the leader and main vocalist of NAZE, a seven-member multinational boy group under C9 Entertainment debuting in May 2026. Born August 22, 2005, in Gyeryong, South Korea, he previously competed on Mnet survival show Fantasy Boys and trained with DailyNote before it became ALL(H)OURS.
What group was Ato in before NAZE?
Before NAZE, Ato trained under EDEN Entertainment (2021 to 2023) as part of the pre-debut group DailyNote. That group later debuted as ALL(H)OURS with a different lineup. He competed on Mnet Fantasy Boys in 2023, building visibility before signing with C9 Entertainment in 2025.
When does NAZE debut?
NAZE confirmed their official debut for May 2026. The group built pre-debut momentum through the TBS drama DREAM STAGE, which aired from January 2026, and performances at Tokyo Girls Collection. All seven members star in the drama.
What is DREAM STAGE drama about?
DREAM STAGE is a 2026 TBS drama co-produced by C9 Entertainment and CJ ENM Japan. All seven NAZE members star in the series, which follows trainees pursuing their debut. The drama served as a pre-debut showcase, introducing fans to the group before their official May 2026 launch.
What is Ato MBTI and height?
Ato has an INTJ personality type and stands 174cm tall. He has blood type B and is a Leo (born August 22, 2005). He studies Applied Music at the School of Performing Arts Seoul and cites TXT member Yeonjun as his role model.
