CaptainKostas @KostasGamer411 #2603972622

26 May 2021

account created (per Roblox API)

5 Oct 2026, 21:22

last measured (UTC)

Username record

@KostasGamer411 — observed 5 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)

|HF| Hellenic Forces#16022678

Open data

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

Also a member of

Roblox#7 · Member

Car Crushers Community#2726951 · Skilled Crusher

Wild Atelier#7947655 · Member

Official Group of Drift Paradise#5216132 · 👤Standard Drifter

Driving Empire by Voldex#4999963 · Driver

Pilot Training Club#2794513 · Trainee Pilots

QuadraTech#4645213 · Supporter

High School Life Fans#1051234 · New Fan I

Playduo Studio#4626344 · ⭐Fan

Police Roleplay Community#4328109 · Community Member

Virtual Valley Games#1241210 · VVGer

Robloxian High School Group#2876351 · Player

Roblox Rallying Group#6217280 · Member

Split Second Studios#4413376 · Fan

Highfield City Police Department#6117548 · Police Recruit

Central Intelligence Agencyᅠᅠᅠ#6572612 · Junior Operative

Quarantine Roleplay Community#6448240 · Community Member

RoPro Official#8882189 · RoPro User

Moondrop Studios#4368670 · Member

Bikelife Netherlands#16915508 · Member

TA Studios.#3529061 · OR-1/A Aday

Blendify Studios#33994843 · tycoon enjoyer

NBTF Community#5164842 · Member

PolyCore Games#32072807 · Member

The Galactic Εmpire .#5288669 · E1 | Cadet

Maritime Roleplay Community#3297339 · (I) Roleplayer

O1G Group#9159898 · Member

Unitеd States Air Force#6760741 · [E1] Airman Basic

Ryanair TM#2575242 · Passenger

BLACK ATMOS Z#10705478 · Member

Central Intelligence Agencyᅠᅠᅠᅠᅠᅠᅠ#9137144 · Agent

United States Coast Guard ᅠ ᅠ#9057373 · [E6] Petty Officer First Class

| OİO | Osmanlı İmparatorluğu Ordusu#7691207 · Acemi Er

Gull Lake, Minnesota#10409036 · Fan

Unitеd Stаtеs Air Forcе ᅠ ᅠ#11448372 · [BMT] Basic Military Training

Balkan Border Roleplay#15067477 · Civilian

Scuba Divers of Robloxia#3262319 · Scuba Diver

[-] Metropolitan Policе Servicе#32418861 · Trainee Constable

Ozark Development Team#8289177 · Member

Volariá#7668499 · Customer

FlyIslamabad#10269526 · Economy Class

[HA] Hellenic Army#3356933 · [OR-1] Private

ุ[RS] Republic of Serbia#10445495 · Serbian Citizen | Državljanin

[JP] State Of Japanᅠᅠ#13027168 · 市民 | Citizen

Flameworks Studio#32769633 · Member

Para Bellum#5213704 · Participants

[GR-CY] Grand Roleplay#11248245 · Citizen

I Endless Interactive I#33486829 · Member

Hellenic Armеd Forces#11724477 · OR-1

[GRC] Hellenic Armed Forces..#2822915 · [OR-1] Stratiotis

[CA] Cyprus Army#6878172 · [REC] Recruit

ᅠHellenic Army#15175628 · Basics

[ The Republic Of Cyprus ]#10567921 · Cypriot Citizen

Galaxidiotikos stratos#11336968 · OF-6/Brigadier/Taxiarxos

Pontikí Dimokratía#14558237 · Polítis

[GAF] Greek Army Forces#15484549 · [CAP] CHIEF OF ARMY PERSONNEL

|HMF| Hellenic Military Forces [Official]#17078715 · Private

2nd Mechanized Infantry Divisionᅠ#15181306 · 33rd Mechanized Infantry Brigade

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