Moonbyul (MAMAMOO)

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Moonbyul Mamamoo - Biography, Profile, Facts, and Career

Moonbyul started her career as Kpop idol by joining MAMAMOO. With the group, she made her debut in 2014 with the song Mr. Ambiguous of their first EP Hello.

Moonbyul is known as the main rapper of the group. She helped write her rap for Mr. Ambiguous alongside Hanhae of Phantom.

This girl born in Bucheon also wrote her rap for the song Piano Man of their second EP.

Her talent in songwriting is widely known. Since 2021, Moonbyul has 58 song writing credits under her name. This includes JeA’s Greedy, SSAK3’s Let’s Dance, and plenty of Mamamoo’s songs.

With the success of Mamamoo, this 92 liner began her solo career in 2018.

She released her debut digital single Selfish with 3 songs including the title track featuring Red Velvet’s Seulgi, In My Room, and Love & Hate (Acoustic Version).

In February 2020, the Kpop star released her first EP Dark Side of the Moon. This mini album has total of 6 songs, titled Eclipse, Mirror, Iljodo, Moon Movie, Weird Day, and Snow.

She later released a repackage version of the album, titled Moon: Repackage in May of the same year.

This album has an added introduction called Intro: Satellite, a new song Absence, and an instrumental version of Absence.


  • Real Name: Moon Byul-yi
  • Stage Name: Moonbyul
  • Nickname: Moonstar, ByulKong, Black Hole
  • Birthdate: December 22, 1992
  • Birthplace: Bucheon, Gyeonggi, South Korea
  • Zodiac Sign: Capricorn
  • Nationality: South Korean
  • Position: Rapper, Performer
  • Height: 165 cm (5″5′)
  • Weight: 45 kg (99 lbs)
  • Blood Type: B
  • Religion: –
  • Profession: Singer, Songwriter
  • Education: Paekche Institute of the Arts for Media and Vocal Music
  • Hobbies: Dancing, raising fish
  • Parents: –
  • Sibling: –
  • Boyfriend: –
  • Facebook: –
  • Twitter: –
  • Instagram: @mo_onbyul
  • Tiktok: @moonbyul_2da
  • Youtube: –

See full MAMAMOO members


  • Moonbyul wanted to be a vocalist. She even auditioned for it but changed to become a rapper instead.
  • She looks like BTOB’s Minhyuk and EXO’s Xiumin. The idol received lots of attention for it.
  • This Kpop star created the choreography for Mr. Ambiguous.
  • She sweats a lot, that’s why she is called Black Hole.
  • She used to share a room with Wheein until the Um Oh Ah Yeh era when all of them moved out.
  • Moonbyul is not a fan of roller coaster or high rides.
  • She has 2 younger sisters, Yesol and Seulgi.
  • She also has 4 dogs named Janggu, Daebak, Keongang, and Haengeoon.
  • When MAMAMOO participated to television music program Immortal Songs, she wrote the rap parts herself as they were not in the original song.
  • This brown eyed girl appeared on variety show King of Masked Singer as Swan.
  • She also participated in TV program Idol Drama Operation Team with 6 other female idols. Together they created a 7 members girl group called Girls Next Door.
  • She has a group chat for the 92-liners with EXID’s Hani, BTS’ Jin, VIXX’s Ken, and B1A4’s Sandeul.
  • Moonbyul is also close with Seulgi from Red Velvet.
  • She would like to collaborate with Verbal Jint.
  • Some of her favorite musicians are Iggy Azalea and Kanye West.
  • Her ideal type is someone like Gong Yoo. She likes guys with broad shoulders, especially someone who can easily grab and hug her.

Pics of Moonbyul  

1. Moonbyul is shining in this bright red outfit

Moonbyul Mamamoo - Biography, Profile, Facts, and Career

2. She is looking comfy yet cool in grey hoodie and sweatpants

Moonbyul Mamamoo - Biography, Profile, Facts, and Career

3. Moonbyul in a winter wonderland

Moonbyul Mamamoo - Biography, Profile, Facts, and Career

4. Sweet or spicy, Moonbyul can pull off any looks. 

Member of Mamamoo - Biography, Profile, Facts, and Career

5. This overcoat looks like it’s made just for her. Perfect!

Member of Mamamoo - Biography, Profile, Facts, and Career

A great singer and a talented songwriter, that is what defines Moonbyul on her journey in the music industry. No wonder many people have become a fan of her.