82MAJOR (에이티투메이저) is a six-member South Korean boy group under Great M Entertainment. The group debuted in October 2023 and is made up of Seongil, Yechan, Seongmo, Seongbin, Seokjoon and Dogyun. The name combines Korea’s country code, 82, with “MAJOR,” expressing the group’s ambition to grow beyond Korea and establish itself on the global stage. All six members have also been involved in songwriting and music creation. Their official fandom is 82DE.
Members at a Glance
| Member | Real Name | Birthday | Age* | Nationality | Role |
|---|---|---|---|---|---|
| Seongil | Cho Seong-il | March 29, 2004 | 22 | South Korean | Leader, dancer, vocalist |
| Yechan | Yoon Ye-chan | April 16, 2004 | 22 | Korean-Canadian | Main dancer, rapper, vocalist |
| Seongmo | Nam Seong-mo | April 19, 2004 | 22 | South Korean | Rapper |
| Seongbin | Hwang Seong-bin | June 22, 2004 | 22 | South Korean | Rapper |
| Seokjoon | Park Seok-joon | December 15, 2004 | 21 | South Korean | Rapper |
| Dogyun | Kim Do-gyun | September 14, 2006 | 20 | South Korean | Main vocalist, maknae |
*Ages shown are for 2026 and should be updated annually. Member information is based primarily on 82MAJOR’s official Japanese profile and cross-checked against current public member-profile data. 82MAJOR JAPAN official site
Who Are the 82MAJOR Members?
Seongil (성일)
Seongil is the leader of 82MAJOR and one of the group’s performance-focused members. He combines leadership responsibilities with dance and vocal work and is also among the members involved in the group’s music creation.
Key Facts:
- Stage Name: Seongil (성일)
- Birth Name: Cho Seong-il (조성일)
- Birthday: March 29, 2004
- Nationality: South Korean
- Agency: Great M Entertainment
- Position: Leader / Dancer / Vocalist
- MBTI: ESFJ
- Zodiac Sign: Aries
- Group: 82MAJOR Kpop Profiles
Yechan (예찬)
Yechan is recognized for his dance and rap abilities and has a Korean-Canadian background. His experience and multilingual background add an international dimension to the group’s lineup.
Key Facts:
- Stage Name: Yechan (예찬)
- Birth Name: Yoon Ye-chan (윤예찬)
- Birthday: April 16, 2004
- Nationality: Korean-Canadian
- Agency: Great M Entertainment
- Position: Main Dancer / Rapper / Vocalist
- MBTI: ENFP
- Zodiac Sign: Aries
- Group: 82MAJOR Kpop Profiles
Seongmo (성모)
Seongmo is one of 82MAJOR’s rappers and is part of the group’s older-member line. He has also been involved in songwriting and has developed a reputation for his straightforward performance style.
Key Facts:
- Stage Name: Seongmo (성모)
- Birth Name: Nam Seong-mo (남성모)
- Birthday: April 19, 2004
- Nationality: South Korean
- Agency: Great M Entertainment
- Position: Rapper
- MBTI: ESTP
- Zodiac Sign: Aries
- Group: 82MAJOR Kpop Profiles
Seongbin (성빈)
Seongbin is a rapper whose musical identity is closely connected with 82MAJOR’s hip-hop-oriented side. Before debuting with the group, he gained attention through his participation in Show Me the Money 11.
Key Facts:
- Stage Name: Seongbin (성빈)
- Birth Name: Hwang Seong-bin (황성빈)
- Birthday: June 22, 2004
- Nationality: South Korean
- Agency: Great M Entertainment
- Position: Rapper
- MBTI: ISFP
- Zodiac Sign: Cancer
- Group: 82MAJOR Kpop Profiles
Seokjoon (석준)
Seokjoon is a rapper and part of 82MAJOR’s 2004 birth line. His profile has also highlighted his interest in creative work and his participation in the group’s musical identity.
Key Facts:
- Stage Name: Seokjoon (석준)
- Birth Name: Park Seok-joon (박석준)
- Birthday: December 15, 2004
- Nationality: South Korean
- Agency: Great M Entertainment
- Position: Rapper
- MBTI: ENFJ
- Zodiac Sign: Sagittarius
- Group: 82MAJOR Kpop Profiles
Dogyun (도균)
Dogyun is the youngest member and serves as one of the group’s strongest vocalists. His younger age contrasts with an active performance role, giving 82MAJOR a clear maknae presence.
Key Facts:
- Stage Name: Dogyun (도균)
- Birth Name: Kim Do-gyun (김도균)
- Birthday: September 14, 2006
- Nationality: South Korean
- Agency: Great M Entertainment
- Position: Main Vocalist / Maknae
- MBTI: ESTP
- Zodiac Sign: Virgo
- Group: 82MAJOR Kpop Profiles
82MAJOR: Who Is the Oldest and Youngest?
Seongil is the oldest member, followed closely by Yechan and Seongmo. Dogyun, born in 2006, is the youngest and the group’s maknae. 82MAJOR JAPAN official site
Which 82MAJOR Members Are Foreign?
Yechan is the group’s member with Korean-Canadian nationality. The remaining members are South Korean. Kpop Profiles
82MAJOR MBTI Types
| Member | MBTI |
|---|---|
| Seongil | ESFJ |
| Yechan | ENFP |
| Seongmo | ESTP |
| Seongbin | ISFP |
| Seokjoon | ENFJ |
| Dogyun | ESTP |
MBTI results are based on publicly reported profiles and can change over time. Kpop Profiles
82MAJOR Group Profile
| Information | Details |
|---|---|
| Group Name | 82MAJOR |
| Korean Name | 에이티투메이저 / 82메이저 |
| Members | Seongil, Yechan, Seongmo, Seongbin, Seokjoon, Dogyun |
| Agency | Great M Entertainment |
| Debut Date | October 11, 2023 |
| Fandom Name | 82DE |
| Group Type | K-pop boy group |
| Debut Generation | 5th generation |
The group’s name combines South Korea’s country code “82” with “MAJOR,” representing an ambition to become a major presence beyond Korea. Kpop Profiles
82MAJOR Career Timeline
| Year | Major Career Highlight |
|---|---|
| 2023 | 82MAJOR debuted with ON and established its hip-hop-influenced identity. |
| 2024 | Continued releasing music and expanding its live activities. |
| 2025 | Released Trophy and further developed its performance-driven sound. |
| 2026 | Returned with the mini album FEELM and continued its Japanese activities, including the HEAT era. |
The official Japanese site currently lists HEAT alongside FEELM, Trophy and SILENCE SYNDROME in the group’s release history. 82MAJOR JAPAN official site
82MAJOR Comebacks & Releases
82MAJOR’s catalog includes releases such as ON, Trophy, FEELM and the 2026 single album HEAT. Their music continues to emphasize rap, performance and member participation in music creation. 82MAJOR JAPAN official site
82MAJOR Performances & Events
The group’s activities include music-show promotions, festivals, fan meetings, Japanese release events and other live appearances. In 2026, the members also scheduled Japanese fan activities connected to the group’s releases. 82MAJOR JAPAN official site
82MAJOR FAQ
How many members are in 82MAJOR?
82MAJOR has six members: Seongil, Yechan, Seongmo, Seongbin, Seokjoon and Dogyun. 82MAJOR JAPAN official site
Who is the leader of 82MAJOR?
Seongil is the leader.
Who is the youngest member of 82MAJOR?
Dogyun is the maknae, born September 14, 2006.
What is 82MAJOR’s fandom name?
The official fandom name is 82DE. 82MAJOR JAPAN official site
When did 82MAJOR debut?
82MAJOR officially debuted on October 11, 2023, with ON.
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