15 Idols with Stage Names of Only One Letter, Some of Whose Faces Are Still Kept Secret Until Now

A is the maknae (youngest member) of the boyband Attck, who debuted in July 2012 but unofficially disbanded two years later.

I is a member of the boyband BLK, who debuted in November 2017 under the management of Byking Entertainment. He is a rapper with the real name Bae Jongin. Unfortunately, BLK disbanded in September 2018.

I am a female soloist who debuted in January 2017 with the song I Wish. The woman's real name is Cha Yoonji and she is the younger sister of Baro B1A4.

J is the beautiful maknae of STAYC who just made a comeback with the song RUN2RUN. The girl's real name is Jang Ye Eun and she debuted at the age of 16, now she is 18 years old.

K from the boyband TST (previously known as 7STONE and TopSecret) has the real name Kim Hyungin. He debuted on January 1, 2017, under JSL Company.

K used to be a member of the boyband Wonder Boyz who debuted in October 2012 but disbanded in January 2015. The man's real name is Kim Taehyun and he is now a soloist with the stage name Owol.

This one is surely well-known. L or Kim Myungsoo from Infinite who debuted in 2010. Now L is more known as an actor and his visuals always receive praise.

Lee Min Woo is a member of Shinhwa, one of the first generation idols who debuted in 1998. He is also a solo singer using the stage name M.

N is the leader and main dancer of VIXX. The man's real name is Cha Hak Yeon and he is also an actor in several dramas.

Q is the main dancer of The Boyz. The man's real name is Ji Chang Min and he debuted in 2017.

Singer and rapper Yoon Mirae is now known for singing OSTs for famous dramas. She also debuted under the name T.

U is the leader, main dancer, and main rapper of the boyband Vermuda, which debuted in June 2017. The man's real name is Woo Chang VBum and he is a former member of 100%.

If this one, I think it doesn't need to be explained much. He is Kim Taehyun, also known as V from BTS, the visual and beloved vocalist of the Army.

HID&GEM or HDnG is a boyband with a 'shadow' concept, where the members' faces will only be revealed once their MV reaches 1 million views. This boyband, which debuted on December 25, 2021, hopes to make good music regardless of cost and appearance. One of their members is X, who is the main rapper. His real name is Hyeon Myeongjun.

Y, whose real name is Choi Seungyoon, is the main vocalist of Golden Child. He is often said to have a face similar to Jungkook from BTS.