Jirka @jirkos3 #858351246
12 November 2018
account created (per Roblox API)
24 Aug 2026, 14:53
last measured (UTC)
Username record
@jirkos3 — observed 24 August 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
Chillz Studios#2782840 · 🌟Royal Member🌟
18,665,158Roblox#7 · Member
13,540,013Paradoxum Games#4914494 · Player
6,062,557Pilot Training Club#2794513 · Airline Pilots
3,909,470Plaid Studio#16790742 · Member
3,727,653Windburst Banana#13657923 · Members
3,522,783Kohaú#4731484 · Junior Hibachi Chef
2,665,404polandgamebuilders#3732983 · 😀 Member
2,470,915Cruising Studios#5435520 · Fan
2,030,295Nova Hotels X#4683371 · Senior Team Member
1,999,099Pastriez ™#4334990 · Cashier
1,789,825Tycoon Typhoon#3234576 · Member
1,406,897Talent Show Group#2794002 · ⭐ Fan/Auditioner
1,400,501Teethyz Dentist#2957840 · Receptionist
1,172,605Innovation Inc.#157764 · Member
1,151,315Stateview Correctional Facility. ∞#5025380 · Corrections Officer
1,007,792Tower Defense X#14733518 · fan :d
1,000,071The Nighthawk Imperium#1174414 · | N | Sergeant First Class
905,847CineBlox Productions#5101119 · Trainee
851,810Ro-meet#15433712 · Member
739,867Soro's Restaurant Franchise®#1108927 · Trainee
728,349Stepford County Railway#3620943 · [GD] Guard
668,436South Pacific Airways™#3909938 · Passenger
666,890Imperialist Robloxian Federation#872876 · Low Class Citizens
548,954The Jedi Order#2569359 · Force Sensitive
455,411Sorcerer Tycoon#553189881 · Member
445,102Arecis Studios#33648009 · Member 🔥
411,293The Glorious Robot Army#11872496 · [1] Troop
400,808City Airways#8619634 · [LR] Airport Trainee
321,018Hargrave Academy#2780115 · Year 11
301,634The Iron Cafe™#1221204 · Customer
280,589The Red Cell#3880488 · | 3 | Technician
238,070Everest Games Holding#4902831 · Players
231,051Plasma Inc.#4192306 · Member
227,345Roleplay UGC#5809933 · 🎁 | Players
215,368The Robloxian General Hospital#2580112 · [1] Patient
206,722Verde#2859030 · Trainee
172,669SM Games#4427619 · Supporter
170,744Roblox Intervention Foundation#5189037 · Clearance-0
169,910Royal Studios®#3928139 · Community Members
126,379ARRmed Studios#3878994 · Foreign Immigrant [☭]
122,131Summit Hotels & Resortѕ#4382797 · Hotel Guest
111,086LeMonde Airlines#1156950 · Departmental Administrator
89,915Nighthawk Vanguards#3612873 · L | Knight
79,691Qatar Virtual Roblox#4893536 · Passenger
63,153Mumu Studios#8406218 · Member
59,756Transport Simulator [TS]#2636810 · Passenger
48,087Αeroware#8471373 · Member
45,067SFS Flight Simulator#3083863 · Captain
44,178Plasma Security Division#5114770 · Trainee
37,691RIVETROD#16343005 · MEMBER
23,960The Resistance [☭]#2644197 · [OR0] Recruit
23,653Gates of Hell (Da Hood)#4990111 · Worshippers of Evil
20,338The Red Guard of the Union of Soviet Socialist#4157480 · horor
19,906Nighthawk Reaper Battalion#4734688 · | L | Protector
17,202The Admission Federation#3806561 · Un-Verified
14,651Cabin Crew Fan Club#4902925 · Fan
13,884SkyLink Group#9258650 · SkyLinkers
12,833Swiss International Air Lines®#2735831 · ┆Verified Passengers
11,095Skyrden#12253448 · EC
10,157PROPPXZZ#11959441 · Member
9,597Avela Airways#11544486 · Avela Executive Club
5,862PodTech#4836454 · Customers
3,988Red Cell Chimera#12667702 · | N/A | Grunt
3,557onPoint Roblox#5078362 · Customer
3,053Nighthawk Combat Engineers#4809530 · | T | Knight
3,042ΕСΗΟ#7206621 · customers
2,770SkyFly Generation#4286633 · P | Economy
2,714RMA | Rocky Mountain Airways#5819761 · Economy
1,529Elite Studios Co.#33926909 · Member
1,354Nighthawk Military Police#3497030 · | M | Marshal
1,193Ameritan#14571676 · Members
827Avenea |#11309522 · Client
784Vacjer Army!#9165828 · Loyal Soldiers
510Roblox Aviation Union#3590840 · Member
418[RYS] | Ryanair#10693455 · Regular
383jetPoland#6177263 · Cabin Crew
344Combat Engineers Funding#5276486 · Combat Engineers
330Herdani Air#7411019 · ECO | Economy Passenger
253LOT Polish Airlines TM.#6912191 · Passenger
187westair.#8416450 · Economy Class
180The allied side#5772842 · Player
167Sharp Airlines#444244 · Passenger
163Projekt Harrachov#8063034 · Passenger
152Tundra Airlines#11886703 · Passenger
127Tropigo#167253724 · Assistant Director
64Jasmacz Family#8997114 · Admin
25hz | horizon.#15062793 · Customer
22BLACKBIRDS CLAN#5679136 · Captain
21Smartwings [QS]#33616495 · | Economy LITE
15Plane group.#5621812 · Member
10Hot Chocolate Cup Productions#6941153 · Fan
8The 1stspicychild fans group#5537397 · [C] Co-owner
6Only tt fans czech group !#9893646 · Admin
5SA | Slovakian Airlines#32078219 · Vice Chairman
5Edelweiss Air Roblox#5724537 · Economy Max
5Moravian Development#33851879 · Member
4Tower Triumph#886242758 · Admin
2Membership and rank as measured from this user’s public group list.