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CosmoSpace @Yellowboy_2012 #828748023

21 October 2018
account created (per Roblox API)
25 Oct 2026, 14:51
last measured (UTC)

Username record

@Yellowboy_2012 — observed 25 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)

Shadows of the shadow games#8685470
3
Mountain-Top Builders#853528235
2

Open data

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

Also a member of

Nosniy Games#3461453 · Fan
58,283,332
Sonar Studios#2919215 · 🕹️ Sonarian
18,719,794
Virtuality World#3606245 · Member
10,247,602
Wild Atelier#7947655 · Member
8,766,607
Car Crushers Community#2726951 · Skilled Crusher
8,648,601
Official Group of Drift Paradise#5216132 · 👤Standard Drifter
7,070,417
Foxzie#3955051 · 👤 Member
7,034,102
Nova Wave Games#14089766 · Member
4,350,073
Play! Studios#7165738 · Supporter 😇
4,303,923
Pilot Training Club#2794513 · Cargo Pilots
3,898,108
Gamefam x Sonic#13632331 · Member
3,566,763
InfinityInteractive#11257245 · Fans
3,217,175
polandgamebuilders#3732983 · 😀 Member
2,471,287
FGTeeV (BebabaleepBopping)#6882266 · Member
2,402,657
Royal Rife Games#34997060 · Member
2,402,439
EQ Game Studios#15084558 · Awesome Players!
2,193,667
Greenville, Wisconsin#3078161 · Verified Citizen
1,962,297
Rensselaer County Official#5499489 · Member
1,844,495
Kavra's Kingdom#4561896 · Receptionist
1,730,309
|GAR| Grand Army of the Republic |#5214183 · Cadet
1,721,371
Mallet#15196270 · Member
1,599,430
Roanoke, VA#4451448 · Member
1,578,234
HyperCatz#14467815 · Member
1,563,279
Airplane Interactive#9525960 · Pilots
1,460,855
United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,435,740
Shock Wave Studio#33449091 · Fan
1,417,250
Builders Club#8 · Member
1,376,517
Coffee Lovers Community#3430014 · Trainee
1,332,065
SEA Military#2648601 · [T] Trainee
1,210,365
United States Armed Forces [USA]#3054949 · [E-8] Master Non-Commissioned Officer
1,190,426
Teethyz Dentist#2957840 · Client
1,173,074
[CUSA] United States MiIitary#4219097 · [E5] Sergeant
1,157,723
Remote Security#6030362 · Member
1,144,768
Kecai#4594985 · Awaiting Training
1,131,526
UrbanSector#6811462 · Fans
1,111,796
Builderman#5 · Member
1,078,747
Dunn Games#4035125 · Fan
1,028,587
Liftoff Games!#12247512 · Fan
949,819
Nogo#3394697 · Members
940,702
Highfield City Police Department#6117548 · Police Officer
882,676
Skilled Studio LLC#787581 · Fan
881,248
chases fan club#3498985 · Member
783,605
Happy Acres#11214735 · Equestrian
767,416
Strigid#6464780 · Supporter
763,558
Squid Game Infinity Roleplay Community#12539280 · Member
696,947
L.A. Airways®#1249062 · Supervisor
676,055
† Christians of Robloxia †#184799 · Christian
673,814
ytRivos Group#14232597 · Member
604,750
Secondhand Studios#2748390 · Subscriber
531,628
Ploxify Roblox Group#10966032 · Member
466,391
GMD Corporation#2707586 · Fan
422,371
Central Intelligence Agency ᅠ ᅠ ᅠ ᅠ#9165980 · [GS-1] Cadet
405,870
The United States Marine Corpsᅠᅠᅠ#5655676 · [E2] Private First Class
378,564
United States Army     #4121686 · [E1] Private
373,122
REACT Studiosᅠ#17180419 · Member
330,613
M&C Game Studios#7958191 · Members
330,450
Arctic's Kingdom#11592051 · Receptionist
327,371
Central Medical Instituteᅟ#33504510 · Registered Nurse
301,404
Zafqkiel#11927280 · 🥇Zaf
273,756
Supremes..#14880080 · [ Content Deleted 84104389 ]
273,148
[BA] - British Army.#6447250 · [OR-5] Sergeant
260,836
Unitеd States Air Force#6760741 · [E1] Airman Basic
225,136
The Philippine National Police | Project PNP#13645656 · [BPT] Basic Police Training
171,937
Empire of the British Isles#6773197 · Private
165,675
Shipping Studios#2856522 · Player
142,820
Unіted Statеs Navy#5000347 · [E2] Seaman Apprentice
136,160
th3c0nnman Fan Group#2935457 · Fans
122,406
Steam Age Fan Club#3607410 · Member
100,544
KLIPS KREW#7175787 · Member
81,637
Connecticut State Roleplay#8406836 · Trooper
77,362
Sungaze#5612531 · Sungazer
72,037
Pulse Driving#359535979 · Driver
61,279
Doge UGC#35504661 · Doge 🐶
57,536
Burger King FastFood LTD#34799003 · Trainee
57,413
OGVRP#5737417 · Civilian
51,237
SimChassis#2579080 · Fan
50,346
JustinPower10 Studio#6944939 · Fans
42,001
warpflight's Studio#11106332 · Member
39,913
Wanny Gaming l WGVRP#8394835 · Member
34,578
RT.Studio#33529653 · Loyal Member👑
33,512
Damien's Roblox Squad!#16721253 · Member
23,998
Turbo Studios Development#3206558 · Supporter
21,761
Royal Corps of Artillery#6973977 · Artillery Recruit
18,778
Bear County, Police Group#12315483 · Cadet
13,476
Addicted Miners#2628255 · Miners
10,448
The Soviet Union []#4650342 · Foreign Immigrants
7,179
MiniToon Gang#6827436 · Mini Toon Fans
4,308
Midtown Tsarist Movement#7428447 · Initiate
3,614
Prοject Britannia#15390061 · British Citizen
895
Department of Engineering [USAF]#9995082 · Fan
614
|BA| The British Army |#34277034 · Second Lieutenant
485
Brιtιsh Army#35462939 · [OR-2] Private
290
BA - | - British Army#35774652 · [REC] Recruit
285
[USAF] United States Αrmy#33470484 · [01] Second Lieutenant
260
Unιted States Air Force#34258086 · [O7] Brigadier General
204
United States Ａrmed Forces | USAF#17058549 · [E2] Private
203
Unitеd Stаtеѕ Marine Corps.#35656675 · [E1] Private (Basic Training)
16
Ladeevanilla Group! <3#15078374 · Member
4

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