
About
82MAJOR (Korean: 에이티투메이저) is a six-member South Korean boy band under Great M Entertainment. The group consists of Seongil, Yechan, Seongmo, Seongbin, Seokjoon, Dogyun. They made their debut on October 11, 2023, with the release of their first single album, On.

Their name combines South Korea’s international dialing code, 82, with “Major,” symbolizing their ambition to become a representative boy band of Korea.
Their fandom name, “82DE,” is a portmanteau of the word, ‘attitude,’ meaning to always be with a heartfelt attitude. It signifies always being together with a sincere attitude towards each other.
Biography
- Group name: 82MAJOR (에이티투메이저)
- Debut date: October 11, 2023
- Company: Great M Entertainment
- Number of members: 6
- Members: Seongil, Yechan, Seongmo, Seongbin, Seokjoon, Dogyun
- Fandom name: 82DE (에티튜드)
Official SNS
- Instagram: @82major_official
- Twitter: 82MAJOR / 82MAJOR JP (Japan)
- YouTube: 82MAJOR
- TikTok: 82major_official
Career
Pre-debut
82MAJOR was originally introduced as RAREHOUSE, a trainee group under Great M Entertainment. The agency began revealing members through SNS from April 2022, with trainees like Nam Seong-mo, Park Seok-joon, Kim Do-gyun, and Cho Seong-il gradually introduced.

Some members, such as Hwang Seong-bin and Lee Dong-gun, participated in survival shows like “Show Me The Money 11” and “Boys Planet.” In early 2023, Cho Yeon-woo joined “Fantasy Boys,” hinting at his departure along with Dong-gun.
The group’s reality show “5 BROS” confirmed their lineup changes. On August 2, 2023, the group officially rebranded as 82MAJOR, later adding Yoon Ye-chan as a new member on September 21.
Activities After Debut
82Major announced their debut on September 22, 2023, with their debut set for October 11, 2023, alongside the release of a pre-release single “Sure Thing” on October 5, 2023.

In 2024, they prepared for their comeback with the announcement of their first mini album “Beat by 82,” slated for release on April 29, 2024. The group released their second digital single, “Choke (Sped Up)”, on May 6, 2024. On September 13, 2024, they dropped a teaser for their second mini album “X-82,” scheduled for release on October 15, 2024.
Discography
Mini albums
- Beat by 82 (2024)
- X-82 (2024)
Single albums
- On (2023)
Digital singles
- Sure Thing (2023)
- Choke (Sped Up) (2024)
Facts about 82MAJOR
- 82Major is the first K-pop idol group to debut under Great M Entertainment.
- Out of the six members, five were born in 2004, making them the group with the highest concentration of members born in a specific year compared to other boy groups.
- The average height of the members is about 181 cm, which is 7 cm taller than the average height for adult males in Korea.
- None of the members are from audition shows. Initially, it was expected that Lee Dong-gun, who participated in “Boys Planet,” and Cho Yeon-woo, who was a contestant on “Fantasy Boys,” would be included in the debut group.