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@reallycoolguy0311

RupertGamingBoy @reallycoolguy0311 #466163224

20 December 2017
account created (per Roblox API)
21 Sept 2026, 12:27
last measured (UTC)

Username record

@reallycoolguy0311 — observed 21 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)

.Chill group.#9206300
9

Open data

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

Also a member of

Chillz Studios#2782840 · ✨Member✨
18,586,693
Bee Swarm Simulator Club#3982592 · Member
18,227,829
Uplift Games#295182 · Dreamer
14,844,147
Roblox#7 · Member
13,510,439
Brookhaven by Voldex#3104358 · Member
12,500,239
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,880,808
Car Crushers Community#2726951 · Skilled Crusher
8,643,170
Broken Wand Studios#4430841 · ✨ | Fans
6,792,086
Double Bandit Studios#13751258 · Bandits
6,271,492
Emotes CO.#5446074 · Member
6,151,132
Welcome to Bloxburg: Fan Club#2910593 · Bloxburgers
4,942,362
Pink Slime Studios#5357344 · Slimer
3,526,342
IROC Studios Building Roleplaying Community#7064117 · Verified Gamer 🕹
3,494,726
BlockZone#5202664 · Member
2,514,128
Police Roleplay Community#4328109 · Community Member
2,225,426
|BA| British Army#2621202 · [OR-1] Recruit (Basic Military Training)
2,021,291
Greenville, Wisconsin#3078161 · Verified Citizen
1,952,761
Cloud Entertainment#1038305 · 🎮 Gamer
1,901,403
Super Magnet Studios#5054561 · Supporter
1,809,882
Bright Games Studios#13081182 · 💞 Rank I
1,763,666
Car Crash Simulator Official Group#3338997 · Fan
1,614,968
Roanoke, VA#4451448 · Member
1,563,154
BloxStreet Corporation#2700627 · Customer
1,561,816
BurgerBlox Fast Food#8927586 · Trainee
1,501,584
Virtual Block Studio#2856593 · Member
1,489,757
Abracadabra#997074 · Players
1,482,779
Airplane Interactive#9525960 · Pilots
1,461,825
United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,430,127
Fat Whale Games#4920885 · Whale
1,360,390
Rats United#5948630 · Rat
1,336,518
KREW ∇#4593944 · KF
1,222,804
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,187,698
Teethyz Dentist#2957840 · Client
1,174,461
Military Heros!#3126057 · Followers!
1,171,652
Dunn Games#4035125 · Fan
1,028,081
Coast#4873189 · 🏄‍♀️ Trainee
894,455
The Feather Family 🕊️#4336588 · Family
848,078
Pablo's#2832203 · Customer
825,148
Μilitary Simulator#4800484 · No Division
808,472
PokeCrafterC#32500444 · Member
696,057
Quarantine Roleplay Community#6448240 · Community Member
613,865
Skate Central#5881468 · Skater
459,722
Official Murder Mystery 3#7999634 · Murderers
426,887
Black Spruce Studio#4071570 · Player
389,887
Extreme War Experience#5863339 · Roleplayers
385,870
Twisted Official#4812298 · Fan
379,882
The United States Marine Corpsᅠᅠᅠ#5655676 · [E1] Private (Basic Training)
378,921
The Chicken Nugget Gang#3015005 · Chicken Nugget
352,992
ScotWARE#8426585 · Player
329,827
Infamous Productions#4360726 · [M] Members
314,995
New York City Pоlice Departmentᅠ#9473652 · Police Cadet
291,340
KaioWithK#8732949 · Humans
290,701
The Rainbow Omega Group#3229253 · Normie
282,479
[BA] - British Army.#6447250 · [OR-1] Recruit
261,364
Maritime Roleplay Community#3297339 · (I) Roleplayer
259,966
Federation Of Robloxian People#4246982 · Group Member
245,721
Vision Works#3190911 · Member
177,774
Partyblox#5246151 · 🔥 Fans
143,186
Builder Rat Games#5865346 · Member
133,510
#DOUBLE TAKE#3023542 · [🏆] Owner
123,696
The Mining Company#4915489 · Member
122,894
Australian Armyᅠᅠᅠᅠᅠᅠ#5245266 · [OR-1] Private
115,030
The Celestial Realms#288278 · Ascendant
111,660
Federal Bureau of Investigatiоn#6176039 · Civilian
78,521
Red Bear Community#7060982 · Supporter
75,737
PoliceSim Studios#3244701 · Fan
69,082
Dunkee#10526223 · Member
48,399
Mythsman: Myth Investigation Service#4612275 · Investigator
47,094
Model Studios.#5921330 · Roleplayer
35,554
Ozark Development Team#8289177 · Member
34,096
Holy Empire of Noricerm#5608086 · Imperial Citizen
33,489
The Greater Volksland ReaIm#5297297 · Awaiting Placement
30,605
a bizarre untitled meme group#6875528 · Pedestrian
29,813
cofi#5237002 · ☕-
26,353
Horizon Entertainment™#3450271 · Member
21,694
PLUTARK#5117067 · Community Member
18,573
Army of Noricerm#5608258 · Private
18,480
The Queen's Kingdom#3942568 · Roleplayer
17,415
setto ₵ⱠØ₮Ⱨł₦₲! ₴ⱧØ₱#5148325 · Member
15,478
Thе Chill Insurgency#6789012 · Escaped Test Subject
15,269
Jackal Racing#3789221 · Fan
5,890
Charlie Security#347297 · Junior Operator
3,615
Super Rocket Studios#5936811 · Member
3,317
Illegal Studios#8403122 · Criminal
2,363
1400 Studios#5324005 · supported members
1,000
Rake Studios.#8293159 · Awesome Player!😎👍
363
isaac’s apparel!#7388388 · [0] Member
343
[ Content Deleted 6107381 ]#6107381 · Member
224
E & L Clothing Production#7830132 · WonderFul Customer! 😎😎😎
201
Junk FOOD GANG#5455166 · Workers
107
Phoenix Studio TM#8953018 · [🎮] Gamer
80
Eggs - United#7223782 · EGG
79
The Hunter Force#10385981 · Enlist
52
team pokeymon squad#3994757 · Member
50
Good People!!#9820574 · 👑 Co-owner👑
34
|*The mighty mushrooms*|#10788770 · STARTER 🍄
22
War for that more#5081448 · Member
21
Oreo group chat#34691876 · Gunman
13

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