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@1121seojin

Guest1121 @1121seojin #1469081232

21 February 2020
account created (per Roblox API)
22 Aug 2026, 20:48
last measured (UTC)

Username record

@1121seojin — observed 22 August 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

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Also a member of

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Tycoon Playground#10446127 · Member
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Dawn Digital#460048752 · Member
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LDS Fighting#12780439 · Genin
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Crazay Clickers#16024291 · Gamer 🎮
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PANG Games TM#16465091 · Fan
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TOP 100 GAME#35769881 · Defenders
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One of One Obbies#35557082 · Member
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Pandos UGC#16077477 · 🌟 Member
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대한민국 육군 [Korea Army]#5021988 · ROKA︱훈련병
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밥밥부대 [KOREA]#13871651 · 장관 (국방부)
213,278
아려랑 클럽#5200735 · 아랑이
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한국머더#7819788 · Member
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GeekOut Rapid#35964100 · Member
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Soe.#5649997 · Member
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Republic of Korea Army ™#3828960 · [훈련병] Recruit
98,051
T_O_W_E_R#13650058 · Member
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Cave Army Rank Group [CAVE]#562593164 · [하사] | Staff Sergeant
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SMTOWN Official#16757457 · Member
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민또 팬클럽#6537001 · 민또팬
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강철 부대 [KOREA]#32809945 · Member
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Games made in Dawn#13900035 · [멤버] Member
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With my all friends#10425525 · Pending
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조선 vs 일본 ㅡ 『공식 그룹』#14680914 · Owner
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유튜버 타시 팬클럽!#5861076 · 행님누님들
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CA | Training&Doctrine Command#724594083 · TDC | Assistant Drill Sergeant | 조교
23,494
지리산 육군 부대 | Jirisan Army Unit#13004923 · [그룹가입자] Group subscriber
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티브 커뮤니티#12141388 · 『☀️| 그룹 가입자』
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ssssss Studio#17325420 · 👤멤버👤
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바이러스 실험실#5889992 · 연구원
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SANDBOX NETWORK OFFICIAL#15644300 · MEMBER
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SLkayL#13842981 · Member
14,327
양식 스튜디오#15929311 · Player
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웹툰 스튜디오 | Webtoon Studio#5425772 · [훈련병]ㅣRecruit
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RODK CORPORATION#14360339 · [훈련병] Recruit
9,866
블루조선 | Blue Joseon#12958010 · Joseon Army
5,131
천관산 부대#14307087 · [R] 돌격자 | Striker
4,982
Pink Bear Studio#33761834 · 소중한 멤버분들
3,663
『Apple Studio』#16321295 · 『 🔥 | 멤버 | 🔥 』
3,074
맹호 부대 | Mangho Tigers Korea Army#11946405 · [하사] Staff Sergeant
2,881
오구부대 [KOREA]#15256089 · 멤버
1,811
단무지부대 그룹#15616381 · 신병
1,746
ROKA | 금강산 훈련소#16349070 · p tier players
1,282
강한육군부대#16019839 · SD.훈련병
738
로블록스 김치부대#15769790 · 대통령
697
광주광역시 공식 그룹.#35167227 · Membar
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mango Games 망고게임즈#10111466 · 플레이어/player
653
Hat Workshop#34866349 · Member
608
태백산 부대 Republic of korea Army Taebaeksan Unit 그룹#7581623 · Member
400
수박부대#15924534 · 시험 총관리자
347
뉴비부대 공식 그룹#15809440 · 이등병
286
동맹부대#15644450 · 멤버
285
TOSS [KOREA]#13618962 · 멤버
210
레서부대#16831978 · [훈련병] Recruit
188
[KOREA] 켈타부대#14526989 · 이등병|Private
149
En zit | Studio#10585109 · 맴버
101
『 Rose Studio 』#13590522 · 플레이어 | Player
99
호박 부대#13635697 · 훈련병
98
[국밥부대] 공식그#15877490 · 게임관리관련
76
Repubilc of korea Army#15680326 · 멤버
47
콜스부대 [G.D]#14813852 · 동맹국🔨
40
나나천국부대#15958871 · 멤버
31
빅게임시뮬레이터#7228885 · Receiver
26
젤리 펜클럽#15894409 · 젤리 팬
19
게임부대#15871597 · 맴버
19
네 친구들 모여라!!!#35072562 · 멤버
14
블랙스튜디오#33151759 · 멤버
11
결전 부대 | Republic of Korea Army#15808456 · [중사] Sergeant First Class
9
Jelly Tower Group#15958521 · 멤버
8

Membership and rank as measured from this user’s public group list.