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