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@cool_chief09

MUFATRBLX @cool_chief09 #1335490590

27 November 2019
account created (per Roblox API)
17 Sept 2026, 08:43
last measured (UTC)

Username record

@cool_chief09 — observed 17 September 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

Nosniy Games#3461453 · Fan
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Wiggity.#12836673 · Member
31,235,270
Scriptbloxian Studios#4705120 · Legend
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BIG Games Pets#3959677 · Fan
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LSPLASH#3049798 · you guys
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The Flamingo Fan Club#3336691 · December 5th we will all do something
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Wild Atelier#7947655 · Member
8,971,672
Car Crushers Community#2726951 · Skilled Crusher
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Powerful Studio#5522949 · 💙┃Fan
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Jandel's Road Trip#33097934 · Owner
7,412,129
Official Group of Drift Paradise#5216132 · 👤Standard Drifter
7,068,750
Foxzie#3955051 · 👤 Member
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Slap Battles#9950771 · BELOVED FAN <3
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ChainLemonade Studios#5916008 · Lemon
4,250,542
Wild Roleplay#4488708 · Fan
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Tetra Games#4843918 · Fan
4,195,776
Thinking Project#1235888 · noob
4,152,387
LDS II#15753989 · Fan
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Pilot Training Club#2794513 · Trainee Pilots
3,916,415
QuadraTech#4645213 · Supporter
3,865,980
Windburst Banana#13657923 · Members
3,522,056
Pink Slime Studios#5357344 · Slimer
3,512,476
thunder1222 Productions#553699 · Member
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Shark Fin Studios LLC#3751488 · Sharkie
2,995,028
Parwaz Studios#4851134 · Member
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Incentive Team#5376709 · Champion
2,527,267
Shiny Star Games#11346367 · Member
2,477,678
polandgamebuilders#3732983 · 😀 Member
2,470,825
Roplex Army#6727958 · Member
2,312,976
Minimal Games#12564376 · Member
2,203,891
Oh My Crazy Games#7056632 · Fan
1,985,027
Moonlight Productions.#7311036 · Member
1,860,347
Super Magnet Studios#5054561 · Supporter
1,794,146
Lana's Luvs#7175867 · ❥𝗟𝘂𝘃𝘀 ˎˊ˗
1,617,649
Virtual Block Studio#2856593 · Member
1,488,524
Hotpot Studio#6897155 · Member
1,388,218
TOXYN#7603235 · ⭐Fan
1,364,320
IGG Games#12031920 · Fan
1,178,693
Funwise#11338347 · Member
1,131,450
Medal TV#34792238 · Member
1,015,320
Impulsive Studios#5243967 · 💥 Supporters
947,521
Interbyte Studio#5126818 · Fans
939,482
SAND4 Tycoon#5929470 · Member
906,770
Outcast Arts#6364161 · 🌟Fan🌟
842,769
MmiiGames#35222573 · Member
795,386
FutureWeb Games#5456035 · Member
730,304
rep rep's studio#9016166 · Fans
718,574
More Fun#8439028 · Member
702,857
DantesDivine#4928618 · 💖 Special Member
654,718
Backstretch Battles#5147819 · Free Agent
546,356
Tacca_BioX#14398889 · 🤩・Group Member
541,825
Fireblox Games#8254225 · Member
539,064
Assetto Studios#15623672 · Supporters
493,841
Burnout Labs#35810886 · [🚗] Player
492,525
Debuilt OG#5442019 · Members
443,927
Rewired Games#8242204 · Fan
403,475
Inkmash Studios#4824074 · Fan
372,973
LcLc OFFICIAL#5368483 · Member
350,415
PoopDrop#34929948 · Membre
268,280
RB Battles#4749931 · Member
253,692
Void Clothing Studio Roleplay#6628209 · .fans.
232,907
My Car Wash Studio!#14591685 · Fans
219,946
Lost Garden#4790434 · Wanderer
205,478
IcyCube#3594704 · Member
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Mr_Booshot Fan Group#14203371 · DOGES
192,287
Double Time Games#7068406 · 🎮 Players
169,992
The Hope Project#35333373 · Dreamer's
123,945
WeMakeGame#6452711 · Member
123,054
Elitelupus Gaming Community#3342755 · Member
110,473
Grow a Collection#803604971 · Member
83,950
King Family Club#8156509 · Member
79,602
SAGamer#4127992 · Fans
78,749
The Circus in The Sky#4837395 · CITS Member :o)
77,041
Estatic Simulators#10064881 · Member
72,043
Kat &' Friends#15551784 · 💫Fans
61,475
ICEY De$igns#5099467 · twinnem
40,829
moment 4 life#13404630 · Member
37,780
Klazun#11939662 · Member
33,130
Delvey Holocover#8479490 · Subscriber
21,667
Heart Stop Studio's#15563321 · [🎮] Players
19,830
Kraken Entertainment#7129524 · Member
17,714
TeraBriteGames#5223076 · Member
10,895
Robux Rat#6163921 · RAT IN ROBUX
9,100
ryan_tt's fan group#12658242 · Member
7,842
Imagine a Studio#559140141 · members
5,325
Panda_Ugcs#16066198 · 🦇 (ᐢ› . ‹ᐢ) 🦇
5,320
Lasb#16108467 · 🌙 Lucky 🌙
1,799
Serech's Clothing#10795137 · 🌹 Member
1,273
Supreme Robux Army#4494848 · Fans
897
Widzowie Randzia#16219228 · Member
186
JcyvaasClothing#10786272 · Member
113
Maybejustme#16754659 · Member
99
Riftt.#8868419 · | riftters |
58
Official XD#13739570 · Member
28
Puppy Shop#13809222 · Member
10
MXE_people#13288769 · Member
6
gamer's amazing group#12346984 · Admin
5

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