Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@otxxkazu

Cosmo @otxxkazu #1627789592

13 May 2020
account created (per Roblox API)
22 Aug 2026, 14:54
last measured (UTC)

Username record

@otxxkazu — 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.

Groups owned (as measured)

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Blue Lock Rivals Unofficial Fans#34671275 · Member
32,895,059
Current.#34852864 · Member
18,340,251
(学乱) Gakuran#416091513 · Students
7,496,520
RELL World#1226491 · [Gen] 2X2X
6,625,998
Kitawari#17219742 · Member
5,029,704
more awesome games yo#17395026 · Member
4,617,872
[B:S] ALS Team#12229756 · Member
3,481,185
RELL GAMES#4939446 · Bronze Rell
3,464,241
Expeditions Entertainment#35929511 · Member
2,928,881
Current x Blackstar#36012725 · Member
2,865,264
ΞGO#34966374 · Member
2,305,313
Slungpy Games#33723433 · Fan
1,901,207
uma racing Community#376874468 · Member
1,763,055
drowningsome#32418371 · my army
1,755,723
Gym Simulator Club#34825438 · Gym noober
1,583,469
Jump Corp#34223768 · Player
1,558,771
Bizarre Collective#33161040 · Member
1,026,512
Devil Hunter May Cry#35791681 · Member
1,023,617
Midnight Continent#9233039 · Member
982,263
Komplex Studio#9190691 · Tester
900,057
44th class#551763520 · Member
832,598
Anime Fighting Simulator | BZ#942260693 · Member
503,084
TS Corporation.#16792806 · Member
321,064
YumYum !#46773138 · baddie lover
274,512
Official: Avatar The Last Airbender#34003303 · Fan
209,465
Mera.#33724194 · Member
192,779
ZCYTHE#14932414 · 👤| ZCYTHE
41,214
Asura Association#32353519 · Member
30,273
Martial Ascension#34758135 · Generation 1
29,146
Not a small deal#35823976 · Member
27,918
MS: KEN#503844107 · Members
17,173
HADEZ_STUDIO#14424562 · Supporter
14,067
Convival Rivals Development Studio#35688308 · Generational 0
297
Purity | 祈#36063315 · Holy
123
Mirage 星#895616539 · Member
58
ArchAngels | 天#248776630 · Gang Member
33
perish 新#13617892 · Member
21
虚 NULL 虚#34976510 · Members
13
Death Givers#11470331 · Member
3

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