Cospero @cosperoalt #1955662476

17 October 2020

account created (per Roblox API)

21 Oct 2026, 10:38

last measured (UTC)

Username record

@cosperoalt — observed 21 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 Everything Store (Tes)#8204152

2

- Napoleonic France 1812 -#11035863

2

House of Hohenzollernᅠᅠ#10471059

1

[MAF] The Mongolian Armed Forces#11712452

Open data

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

Also a member of

LSPLASH#3049798 · you guys

Pilot Training Club#2794513 · Trainee Pilots

Police Roleplay Community#4328109 · Community Member

Frappé®#950346 · Junior Barista

Virtual Valley Games#1241210 · VVGer

Edot#5103306 · Member

Talent Show Group#2794002 · ⭐ Fan/Auditioner

Innovation Inc.#157764 · Member

United States Military 1960s ᅠ ᅠ#3454445 · E1

Hapless Studios#5502618 · Supporter

generic roleplay gaem fanclub.#5574524 · fan.

Whirlpool Studio#2756366 · Fan

Guts & Blackpowder#16911831 · Fans

delpw#5586459 · Member

Jaller's Projects#266819 · 🌾Farm Residents🌾

The Basic Studs#13602306 · Member

Practical Creations#248389848 · Owner 👑

Naval Roleplay Community#3534363 · Enlisted

HOLOCENE#5205464 · Member

Empire Frаnçаis#5610765 · Citoyen

Plasma Inc.#4192306 · Member

[λ] Half-Life Roleplay#2795144 · HLRP Member

IllIllI#4987884 · Member

The Chornobyl Anomalous Area#3368918 · 2-Gear Member

Empire of the British Isles#6773197 · Private

Black Eagle Industries#447846 · 🐤 Player

Empire * Theatre#1166783 · [LR] Junior Production Crew

Risk Universalis - Conquest RP#2568175 · Participant

Traits of War Community#3025405 · Roleplayer

CENTAURA#8099975 · Player

World Conquеst#12670687 · Initiate Conqueror

Bus Simulator - The Fan Group#4343228 · Driver

J Cowboy Studios#10117472 · Fans

[VWRP] Vietnam War RP Community#2798061 · Roleplayer

Scheinwerfer Studios#2927670 · The Fans

NORTHWIND | Saint Lawrence Company#5346362 · Settler

WarGames Entertainment#2719357 · Fans

The Republic Of Scotvia#3585667 · ┆Citizen

Marque of War#8318537 · Community Member

Bleeding Blades#10831719 · Supporter

East Korea.#3178507 · Citizen

Western Army**#6474323 · Sergeant First Class

Studio 2000#5371807 · Member

rBreach Official Community#4767891 · Member

Maritime Interactive#13283371 · Supporters

Melchett's Living History#3450995 · Community Member

Plasma Security Division#5114770 · Trainee

Project : SCP#7357226 · Member

- Clueless Studios#6270363 · Member

Army)#7681323 · a random human

Fragile Entertainment™#2897191 · 1 | Community Member

SRB - Bread Studios#12996517 · Member

Trench War Group#10376250 · Member

Waterloo at home#11080390 · Supporter

[I] Verdun Development Group#2575126 · Roleplayer

[WWC] World War Community#6604763 · Private

[NHSFA] National High School Football Association#5031317 · [ꜱᴀ] | ꜱᴛᴜᴅᴇɴᴛ ᴀᴛʜʟᴇᴛᴇꜱ

Post-War Society#4642768 · Citizen

Minus 7#11302846 · Member

XJ Studios#6867395 · Fan

Unitеd Statеs#9072673 · Soldier

Drivers Alliance#4352475 · Drivers

[λ] Half-Life Community#2795267 · Roleplayer

Empire Français‌#4235071 · Citoyen

clear suits#7553822 · member

The American Revolutionary War Community#6644426 · Member

Unitеd Stаtes Armyᅠᅠ#9570924 · Private

Official Blood & Iron Community#4568038 · Bronze Member

Roblox Anomalies Community#36062657 · Member

Omnarch#13216610 · Members

ZXP Technologies#8528990 · Member

Bluebird Interactive#3303668 · Roleplayer

Trenches at home#14402688 · Supporter

Galactic Unrest [RP]#33410408 · Members

TTU STUDIOS#17361417 · Member

TEAF | Turkish Armed Forces#2969868 · OR-1/A Er

Royal Navy 1805#14367721 · Landsman

Rерublіс оf Техаѕ#2831156 · Volunteer

Camden at home#33078943 · Supporter

Vexilla Gloria#5588008 · Wanderer

Metroid guy's History club#6368670 · Fan

Integral Studios#2648032 · Fans

Naval warfare at home#14535945 · Supporter

The Great War Communityᅠ#7710094 · Community Member

-Parallax Studios#17157701 · Members

Marvel Resurgency#6497125 · ||Member||

Land of the Lοst#13680292 · Community Roleplayers

Warhead Intercept Studio#16618054 · Community Member

[PT] Republic of Petoria#32329202 · Civilian

Nation Conquest | Conquest RP#33535773 · Roleplayer

Centurion Studios#4378963 · Member

Tsar Productions#11525065 · Member

The Explorer's fan club#6526778 · Fan

6

სსრ | Georgian Soviet Socialist Republic#10576150 · Georgian Resident

5

Prūsija#10425641 · Königliche Familie

4

kmdᅠ#34406743 · Member

3

MTF-6#11046613 · Dispatch-Science Team

2

Kingdom Of Jaguar Bay#8218108 · Citizen

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