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@Cosmo_GRW #3175482220

26 December 2021
account created (per Roblox API)
22 Oct 2026, 15:39
last measured (UTC)

Username record

@Cosmo_GRW — observed 22 October 2026

@GrammarPoliceHawk — observed 22 October 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)

Cosmo Constellation#242166489
3

Open data

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

Also a member of

Nosniy Games#3461453 · Fan
57,994,256
Bee Swarm Simulator Club#3982592 · Member
18,232,512
Breakout Funs#280949819 · Member
15,792,229
Cebrail's Studio#33201221 · Boss
9,060,440
RELL World#1226491 · [Gen] 2X21
6,622,526
Varis Studios#32421331 · Fan
5,775,514
Billion Duck Hunters#1010818854 · Member
4,785,831
Pilot Training Club#2794513 · Fighter Pilots
3,891,358
RELL GAMES#4939446 · Bronze Rell
3,463,245
Ready, set, more!#7371243 · Fan
3,433,089
Prometeo Games#3269094 · Ablecross
2,827,390
Playduo Studio#4626344 · ⭐Fan
2,788,546
Splitline: World#35155002 · Member
2,494,252
Cloud Entertainment#1038305 · 🎮 Gamer
1,901,316
|GAR| Grand Army of the Republic |#5214183 · Specialist
1,719,272
The US Military 1940s#4545116 · First Sergeant
1,550,128
Stranded Devs#425035678 · Member
1,422,375
The Nighthawk Imperium#1174414 · | T | Staff Sergeant
906,192
The Rolling Society#35119567 · MEMBER [🥳]
879,443
Highfield City Police Department#6117548 · Lieutenant
874,137
Hapless Studios#5502618 · Supporter
848,241
The Very Dangerous Group#34883667 · Passenger
824,636
10K Steps#596089868 · Member
823,896
Ocean Survival#989004465 · Fan
678,853
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
617,972
Quarantine Roleplay Community#6448240 · Community Member
613,483
DarkNDiver#34140206 · Member
447,349
Moonstone Games#8918098 · Member
372,386
The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Cadet
361,921
Mega Studiosᅠ#33384332 · Fan
360,941
Dev Noob Studios#34131223 · Member
333,573
The Hidden Route#1040745973 · Member
300,346
[BA] - British Army.#6447250 · [OF-1] Second Lieutenant
260,951
Panhandle#34562466 · Menber
249,821
The Galactic Empire GRW#5298627 · Surface Marshal
234,932
The Galactic Republic GRW#14625178 · Lance Corporal
215,734
OPFOR Studios#14309341 · Member
207,056
Foundation Roleplay#4711525 · Supporters
184,346
[SCPF - Special Containment Procedures Foundation]#4606577 · Security Class 1
150,753
Chesapeake Studios#17005184 · Fan
147,445
SCP Architect#5237344 · Architects
135,116
Apex | Studios#11031823 · Member
124,130
The Red Lake#7918368 · Member
100,488
Nighthawk Vanguards#3612873 · L | Gladiator
79,715
[G] Green Army#17365358 · E-8 | Sergeant Major
59,283
MRD lndustries#15480742 · MRD | Group Member
53,499
Yingjie's Experiences#32781043 · Member
51,060
Hikari's Forge#34602611 · Donators
46,092
Light Works Entertainment#5038001 · Supporter
40,838
[4] Ikitai Studios#255696825 · Member
39,918
Esercito NapoIetano#6764583 · Coscritto
27,812
M78 Studios#13685512 · Ultras
23,110
The Hutt Cartel GRW#7219995 · Vanguard
21,950
Reign of Royales#5540551 · [2] Recon
18,624
The Rebel Alliance GRW#7521162 · Captain
17,832
Imperial Navy GRW#5298631 · Master Chief
17,789
Nighthawk Reaper Battalion#4734688 · | L | Novice
17,206
Cold War Roleplay: Community#3240001 · Enlisted Personnel
14,198
Project Ultraman: Official Group#8959695 · Ultras
11,271
S.C.P. Site-81#15850610 · Member
10,617
HaloCommunity#7778299 · Members
9,701
The Inter-Galactic Defense Force#34376097 · 4 | Ultra Cadets
9,471
The Spice Studio#13858204 · Player
8,736
AFPU: Armed Forces and the People United#4212752 · [E-4] Senior Airman
6,547
[ULTRA] Global Unlimited Task Squad#35304782 · Member
6,045
SUN | Department of Peace Operations#16365233 · Warrant Officer First Class
5,948
PPDC / Pan Pacific Defense Corps#34829296 · [ACM] Alliance Comrades
3,987
[GOC] : Global Occult Coalition#10055043 · Coalition Member
3,563
RingWorld Studio#5519855 · Fan
3,487
Moonstone Support#12487767 · Member
2,640
Unitеd Statеs National Guardᅠ#5673131 · Basic Training
2,340
HC - Grenadier Guards#12325240 · Senior Guardsman
2,045
Guardia ReaΙe#10349483 · Giovane Guardia
1,812
Crime City GRW#33968364 · Senior Government Official
1,084
:|SCP|: Special Containment Procedures Foundation#5538457 · Class-D
947
[SCPF] | Site - Blackout#15796961 · ⌠ · Security Clearance - I · ⌡
905
GG ¬ Nijmegen Company#12325448 · 5th Platoon
608
[-GRW CLAN-]#4017375 · GRW Member
521
CRIME CITY Military#33969182 · Private
448
Vision Games·#214981133 · Brainrots
340
Imperial Warfleet GRW#36004236 · Chief
304
Nitro GRW#13945651 · TIER 22
278
TQ - Headquarters#4962480 · Citizen
205
CRIME CITY Air Force#33969219 · Major general
175
The Droid Uprising#12874417 · Recruit
135
CRIME CITY Police Department#33969163 · Department Chief
108
CRIME CITY Syndicates#34146134 · Syndicate Member
95
CRIME CITY FBI#33969188 · Special Agent
94
Imperial Navy Commandos GRW#14849822 · Navy Marine
92
Liberty Union [LU]#34004713 · Senator
92
TGRA - The Grand Republic Army#7883347 · O-5 | Colonel
92
The Fiгst Οrdeг#317194539 · Major
91
CRIME CITY Homeland Security#35198578 · Supervisory Officer
89
501st Legion GRW#5298635 · 501st Commander
88
224th Imperial Armored Division GRW#8306155 · Armored XO
71
Great Imperium Germanicum#10908926 · Supreme Command
63
CRIME CITY CIA#35198572 · Operations Officer
58
CRIME CITY SWAT#33971573 · Lieutenant
58
Honor Guard GRW#7844188 · Guard
49
Imperial Intelligence GRW#6615617 · Agent
38

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