← All fandoms
마마무

Girl group · RBW (group activities) · since 2014

MAMAMOO

마마무

Four voices, solo careers at four different addresses and a full-group return in 2026. Here is what a new MooMoo needs to know.

13years on 18 June 2027 · in 241 days

Quick answers

When did MAMAMOO debut?

On 18 June 2014, with the EP Hello and the single "Mr. Ambiguous".

How many members does MAMAMOO have?

Four: Solar (leader), Moonbyul, Wheein and Hwasa. The line-up has not changed since debut.

What is the MAMAMOO fandom called?

MooMoo. The name sounds like "mu", the Korean word for radish, which is why the official lightstick is shaped like one.

Which agency is MAMAMOO with?

RBW handles the group. Wheein left RBW for solo work in 2021 and Hwasa joined P Nation in 2023; all four agreed to keep working with RBW as a quartet.

Is MAMAMOO still together?

Yes. The special single 4WARD came out on 4 June 2026, their first full-group release in three years and eight months, followed by a world tour.

The story so far

  1. Debut with the EP Hello and "Mr. Ambiguous".

  2. "Um Oh Ah Yeh" becomes one of their best-known hits.

  3. "Decalcomanie" brings their most mainstream pop sound so far.

  4. "HIP" becomes the song most people link to the group.

  5. Solar, Moonbyul and Hwasa renew with RBW; Wheein leaves the agency for solo work and stays in the group.

  6. Solar and Moonbyul debut as the sub-unit MAMAMOO+ with "Better".

  7. Hwasa joins P Nation; the four agree to keep working with RBW as a group.

  8. RBW confirms a full-group comeback and a world tour for 2026.

  9. Special single 4WARD with "4 Flowers", their first full-group release in three years and eight months.

  10. The 4WARD world tour opens at Olympic Hall in Seoul, 19 to 21 June.

Start with these 5 songs

  1. Mr. AmbiguousThe debut single, and still the song that opens their 2026 shows.2014
  2. Um Oh Ah YehA 2015 hit that still closes their concerts.2015
  3. DecalcomanieOne of their most mainstream pop singles.2016
  4. HIPThe song most people know them by.2019
  5. 4 FlowersThe comeback single: four members, one root.2026

Videos play from YouTube, from the official channels, and load only when you press Video. YouTube may then set its own cookies (privacy).

In the Fan Chart

The Fan Chart on The Crowd adds up every fan's top 10. Here is where MAMAMOO stands.

    Add MAMAMOO to your setlist

    For MooMoo

    Solar

    김용선
    Name
    Kim Yong-sun
    Born
    21 February 1991
    Role
    Leader

    Released the MAMAMOO+ album Act 1, Scene 1 with Moonbyul in 2023.

    Moonbyul

    문별이
    Name
    Moon Byul-yi
    Born
    22 December 1992

    Formed the sub-unit MAMAMOO+ with Solar; their first single "Better" came out in 2022.

    Wheein

    정휘인
    Name
    Jung Whee-in
    Born
    17 April 1995

    Left RBW for her solo career in 2021 but kept working with MAMAMOO.

    Hwasa

    안혜진
    Name
    Ahn Hye-jin
    Born
    23 July 1995
    Role
    Youngest member

    Solo singles include "Twit" (2019), "I Love My Body" (2023) and "Good Goodbye" (2025).

    Know your MAMAMOO?Six K-pop questions a day in the Daily, and a collectible card for every finished set.

    Play the Daily

    Last checked 19 October 2026. Sources include Korea JoongAng Daily, NME, SBS Star and Soompi. Spotted a mistake? Tell us.