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John Lightyear @TheIronCosmo #122169649

22 April 2016
account created (per Roblox API)
2 Oct 2026, 02:12
last measured (UTC)

Username record

@TheIronCosmo — observed 2 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)

The Hog Crankers#16409371
6
[Passage of Time]#32678489
3
Star Command of the Galactic Alliance#353253215
2
State of California 1980s#34699694
1

Open data

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

Also a member of

Wiggity.#12836673 · Member
30,775,775
Scriptbloxian Studios#4705120 · Legend
30,036,386
48h Games#14461694 · Member
7,670,052
Low Effort Studios.#16403616 · Yeeter
7,367,407
Tycoon Empire Studios#11221055 · Fan
5,257,001
JOFO Games#15340279 · Support
4,653,733
Nova Wave Games#14089766 · Member
4,320,767
US Simulators#10741807 · Member
3,341,392
InfinityInteractive#11257245 · Fans
3,218,402
Slayers Unleashed#10030212 · Game Community
2,958,651
Universe Time Studio#6556072 · Universe Member
2,466,612
[B:S] HW Team#6073919 · Fan
1,929,373
|GAR| Grand Army of the Republic |#5214183 · Cadet
1,713,470
The US Military 1940s#4545116 · Sergeant
1,520,688
United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,430,128
No time at all#1019119471 · Member
1,363,545
SCP | Roleplay Community#5479038 · Roleplayer
1,266,941
Funnest Games Around!#32440505 · Member
1,167,458
Factory Limited#33685094 · Worker
1,093,905
NFL Universe Football by Voldex#2894777 · Player
1,009,164
Blox Studiо#4843020 · Member
974,168
United States Military 1960s ᅠ ᅠ#3454445 · E2
960,348
generic roleplay gaem fanclub.#5574524 · fan.
736,564
rep rep's studio#9016166 · Fans
718,778
Theme Park Tycoon 2#2910194 · Unranked
684,992
Control Army Club#16409914 · 😎 Member
681,191
Fireheart Studio#4294803 · Community
643,114
Jaller's Projects#266819 · 🌾Farm Residents🌾
518,534
Royal Hillcrest#10380454 · Upper-Class Guest
455,947
The Garrison ᅠ#13151234 · Regular Patron
413,563
Project Combat#14077803 · Member
394,153
Blinky Studios Official#827009858 · Member
322,978
Ḉontinental Army#5031513 · Enlistment
256,712
Play4ever Games#32817705 · Receives 5% Boost
215,351
STFO#15197892 · Players
179,253
A Bizarre Community#4516503 · Member
170,492
Chicago 1949#3246817 · Upper Class Citizen
138,755
Monkey Network#35232371 · Member
138,003
Vision Ent.#4944837 · Supporters
102,052
The Society of Magic#3587367 · 2nd Year Student
92,146
Magic Kingdom Parks & Resorts#4064701 · 💜 Park Passholder
60,742
LinQ Studios#15018646 · Member
52,108
Wellesley Country Club#4224161 · M | Club Member
50,071
World Conquest#3312764 · Conqueror
43,045
JoJo's Alternate Community#6510456 · Member
42,373
Broken Bones Mayhem BETA Testers#14663603 · Approved Members
37,527
Hillcrest Productions#10937393 · Member
33,552
WED Imagineering#2636307 · Pixie Dust Passholder
32,537
United States Аrmу#5826061 · Volunteer
24,148
DoubleJGames#3139217 · Fan
21,589
CurlyQ Games#711220251 · Member
16,813
United States Marines 1940s'#4594620 · Sergeant
14,369
Cubical Club#5019833 · Club Members
12,547
Peaky Blіnders#12512689 · Associate
12,340
Schneider Co.#14954920 · Consumer
11,509
Bizarre Store#8711148 · [😳]Members[😳]
11,115
United States οf America Roblox#12238375 · American Citizens
9,613
Hillcrest Apparel#12567481 · Customer
8,391
[PANN CO.]#35168251 · [OG 1K.]
6,053
Skywalker Clothing#8197996 · Customer
5,666
The TF2 Crew!#3056777 · Soldier
5,663
Pro-TARDIS#4812210 · Fans
5,535
А House Divided#32466335 · Community Member
5,359
R.C.W (Roblox Championship Wrestling)#927766 · Fans
4,181
Mann Corner#5320562 · Awesome People
4,015
Freddy Fazbear's Place: Uniforms & More!#12805114 · Customers
3,543
Star Wars Apparel#4103456 · fan
2,490
Uniforms of the Civil War#33007632 · uncivil warrior
2,470
Luciano's#2627386 · Customers
1,985
Winds of Change [WOC]#12194321 · Participants
1,981
Kingsman Tailor Service | MR PORTER |#4393807 · ♛ Kingsman Costumer ♛
1,859
David's Register#32477847 · First Lieutenant
1,480
The Conservative Republican Party of Roblox#8056209 · U | Unranked
1,449
The Society of Magic | Dragons#4112950 · Underclassmen
1,115
Unitеd Stаtеs оf Аmеricа 1980s#33492832 · Immigration Office
961
[USSF] United Stаtes Space Force#14605699 · Member
867
David's Tailoring & Co.#32847410 · Customer
787
Commander in-Chief's Guard#34029430 · Ranker
666
Аrmаni#13759941 · 𝐈 | 𝘊𝘰𝘯𝘴𝘶𝘮𝘦𝘳
627
Patriot Clothing Store#16474987 · Customer
476
Napoleone's Collection#10846726 · 1 | Customer
350
Ro-Wrestling Shop#3120410 · Customer
224
United States of Americaᅟᅟᅟᅟ#14665251 · Unenlisted
200
|The Soup Kitchen|#32505674 · Homeless
108
EV | North Atlantic Treaty Organization#33833209 · Observer
85
AUSA - United States of America#16429432 · President of the United States
85
- United Nаtions#35697803 · International Citizen
52
.The United Nations [UN]#13773057 · United Nations Citizen
44
Schisso#6182675 · Member
43
United Wrestling!#14669470 · Awaiting Debut!
37
[WTP] The United States of America#33288231 · Immigration Office
32
Federal Troll Agency#6703955 · Member
32
Modern Wrestling Federation S1#16866969 · U | Universe
27
ᅠSun Guard#17167813 · Blooded
12
State of Indiana 1980s#34735015 · Governor's cabinet
12
Omniverse Studios#12259465 · Member
11
[USA] | United States Senateᅠᅠ#33091717 · Senators
9
Federative Republic of Brazil 1980's#34700521 · Distinguished Citizen
7
AUSA - Department of Defense#33687459 · Executive Office of the President of the United States
6

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