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

Cosmic @Madness_C0smic #254274445

3 March 2017
account created (per Roblox API)
18 Oct 2026, 15:01
last measured (UTC)

Username record

@Madness_C0smic — observed 18 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)

Open data

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

Also a member of

Nosniy Games#3461453 · Fan
59,080,656
Blue Lock Rivals Unofficial Fans#34671275 · Member
32,862,162
Current.#34852864 · Member
18,333,659
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,920
(学乱) Gakuran#416091513 · Students
7,509,529
RELL World#1226491 · [Gen] 2X21
6,625,506
Rubicon South#959433345 · Member
6,388,731
Paradoxum Games#4914494 · Player
6,066,536
EOM STUDIO#15090884 · Fans
3,531,762
Ready, set, more!#7371243 · Fan
3,468,458
Awesome Ninja Games#15557357 · Member
3,266,025
Dungeon Quest by Voldex#4788489 · Member
2,817,403
Poisoned Things#913348212 · Candy Experimenters
2,643,521
Universe Time Studio#6556072 · Universe Member
2,472,755
Top Down Games#5292947 · Members
2,359,728
Clover Retribution#15890651 · Member
2,077,096
DevvGames#4856485 · Member
2,066,362
Jump Corp#34223768 · Player
1,559,481
Abracadabra#997074 · Players
1,482,887
CRIMCORP#4165692 · Fan
1,183,068
TS Industries.#14215552 · Member
1,092,613
Midnight Continent#9233039 · Member
975,811
Blox Studiо#4843020 · Member
973,417
ECG Studio#7227187 · Member
774,477
Five-O Community#4824823 · Member
720,749
jacobis#35320760 · Member
682,595
Bloxxit Studios#3883261 · New Member
513,972
Gang O' Fries Entertainment#9132225 · Member
508,594
The Jedi Order#2569359 · Youngling III
455,400
The Flamingo Hater Club#5215089 · Member
407,097
The Hidden Route#1040745973 · Member
317,472
Check It Containment Corporation#6016348 · Test Subject
301,704
Villain Inc#16351299 · Community
246,771
CMB | The Universal Union#4904885 · Civil Protection
175,947
NAMEK GANG#6664536 · Member
128,473
Notorious: Elite#2710476 · Member
102,512
Jujutsu Academy [CC]#16294316 · Member
98,210
Vex LLC#6139113 · Members
69,359
Shinobi Saga Community#10098304 · Community Member
59,081
Veyra Co.#67441836 · Veyra Employee
53,251
Team Pixel Project#5439749 · Member
50,305
Pirates Productions#5396138 · ✌️Supporter
15,292
AENZO#32519117 · AENZO
3,094
The Plague Mafia#6559685 · Soldier
231
Phoenix Mercs#5816918 · Exterior Group Liaison
206
Atlas [BloxRP]#6332546 · Customer
191
Sons of J fuel#9221653 · Respected sons
156
HTW Fans#5854197 · Member
104
DarkPikachu's Game Group#4198684 · Member
25
Tyrant Pack#6831944 · Fans
21
Plasma-Blox#6269862 · -I- Rookie
13
Chinoiki Clan#8837155 · The 5 Bloody Sins
11
Bantors#8144018 · Member
10
ogohpi4qjtouhsik,m#5816984 · Member
6

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