What is Seong Il's real name?

Seong Il's birth name is Cho Seong Il.

What is Seong Il's position in 82MAJOR?

Seong Il's position in 82MAJOR: Leader.

When did Seong Il debut?

Seong Il debuted with 82MAJOR in 2023.

Who else is in 82MAJOR?

Seong Il's bandmates in 82MAJOR are Seong Mo, Seongil, Seok Joon, Yechan, Seongmo, Ye Chan, Seongbin, Seokjoon, Seong Bin, Do Gyun and Dogyun.

Member file · 82MAJOR

Detail of the 82MAJOR file art · K-POP LEXICON Design Desk

File no. SB-2023-82MAJORS← 82MAJOR file

Seong Il

Stage name: Seong Il
Group: 82MAJOR (12 members)
Birth name: Cho Seong Il
Position: Leader
Agency: Great M
Debut: 2023
Generation: 5th gen

Summary

Birth details: tinygmusic.com

Seong Il: quick answers

What is Seong Il's real name?: Seong Il's birth name is Cho Seong Il. tinygmusic.com
What is Seong Il's position in 82MAJOR?: Seong Il's position in 82MAJOR: Leader.
When did Seong Il debut?: Seong Il debuted with 82MAJOR in 2023.
What agency is Seong Il with?: Seong Il is with Great M.
Who else is in 82MAJOR?: Seong Il's bandmates in 82MAJOR are Seong Mo, Seongil, Seok Joon, Yechan, Seongmo, Ye Chan, Seongbin, Seokjoon, Seong Bin, Do Gyun and Dogyun.

In their own words

“We make the music we actually love. I think fans notice that and feel like, "These guys are the real deal," which is what draws them in.”

Pull quote from an Authority Magazine interview with 82MAJOR, given as a group statement rather than by Seong Il alone. medium.com

Timeline

2022
Rare House reveals
Members of the pre-debut Rare House lineup were introduced across 2022 and 2023 through dance covers and self-made raps.
2023
Debut with ON
2025
SILENCE SYNDROME and Trophy
The group released SILENCE SYNDROME in April 2025 and the fourth mini album Trophy on October 30, 2025, which sold over 120,000 physical copies.
2026
FEELM
Fifth mini album released April 28, 2026, with a live showcase in Seoul.
2026
HEAT

Latest

Sept. 1, 2026HEATtmrwmagazine.com
April 28, 2026FEELM
Fifth mini album, led by "Sign". All members took part in every track, including lyrics and composition. The group held a live showcase in Seoul for the release.
tinygmusic.com

Our coverage of Seong Il

No story of ours names Seong Il yet. The newest 82MAJOR headlines are below.

More from the 82MAJOR file

CultureMusic Show WinShow Champion15 days ago

What a K-pop Music Show Win Really Means, and How the Trophy Is Scored

From 82MAJOR's first trophy to Show Champion's published formula, here's what the weekly Korean TV prize measures and what it doesn't.

By K-POP LEXICON Desk82MAJORBLACKPINKIVEATEEZ0 comments

The words Music show win in glittering sequin letters on a TV stage with a trophy and confetti.

Sources for this file

tinygmusic.com: 82MAJOR Returns With Self-Produced Album 'FEELM'
medium.com: Music Stars 82MAJOR On The Five Things You Need To ...
genius.com: 82MAJOR Lyrics, Songs, and Albums
tmrwmagazine.com: 82MAJOR's Track-By-Track Commentary of HEAT

Last researched Nov. 12, 2026