@Kostet_YT #1696864300

15 June 2020

account created (per Roblox API)

18 Aug 2026, 05:50

last measured (UTC)

Username record

@Kostet_YT — observed 18 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)

Happy cookie Mari#7779122

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Also a member of

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Roblox#7 · Member

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The Gang Stockholm#5273516 · Player

RELL World#1226491 · [Gen] 2X21

Thinking Project#1235888 · noob

RELL GAMES#4939446 · Bronze Rell

thunder1222 Productions#553699 · Member

Humble Gamers#6157556 · Member

Pinewood Builders#159511 · Member

Playduo Studio#4626344 · ⭐Fan

Rock Panda Games#8252064 · Fan

|BA| British Army#2621202 · [OR-1] Recruit (Basic Military Training)

LightGaming!#6887275 · Member

Virtual Valley Games#1241210 · VVGer

The Red Army .#4802792 · Initiate

SCP | Roleplay Community#5479038 · Roleplayer

V0YD Expeditions#5039397 · Climber

United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit

[CUSA] United States MiIitary#4219097 · [E1] Private

Innovation Inc.#157764 · Member

ObliviousHD Fan Group#2769555 · Popcorn Enjoyer🍿

SizzleBurger#1016598 · Customer

Wings#145864 · 1

Μilitary Simulator#4800484 · Militsiya Conscript

Insight Game#6944093 · Member

|BA| -British Army-#4972535 · [OR-1] Recruit

Quarantine Roleplay Community#6448240 · Community Member

Turbo Builders Club#9 · Member

HD Dev#3204047 · Member

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Trade.#650266 · Aspiring Trader

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Wings ツ#2514178 · 😶 customer

JJ Studios#2752198 · Supporter

xSquad#2943804 · // Community

Modly Studios#5946685 · Member

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Plasma Inc.#4192306 · Member

Foundation Roleplay#4711525 · Supporters

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Piggy Roleplay : Infection Official Group!#6306207 · Supporters

Innovation Security#901313 · [LR]In Training

Festivereinhard2's Fanboy Fan Group#2988324 · Fan

Red Cat Channel#4046965 · Member

MorbidStudios#6572113 · Followers

Soe.#5649997 · Member

Gucci Collection#7920287 · Member

bordr fanclub#5069767 · unpaid npc

.+Voidkin Daycare+.#4745178 · 💟PATIENT💟

THE VIRUS™#2883091 · Supporter

The Mayhem Syndicate#4890641 · Recruit

Nitenity Studios#2823734 · Supporter

Pinewood Builders Quality Assurance#4543796 · Level 0 Tester

Premiumsalad's Group#3006830 · Fans

Landsurfa Studios#7484297 · ⭐Fan

Horror Portals#5462562 · Member

LEN4IKS ARMY#5194761 · Member

Table Flip Studios#2805638 · ✨ | Table Flippers

Site-35 Fan Group#5197916 · Member

Shayan Studios#6537012 · Beta Player

Cyes High#10385093 · Student / Member

ANVA#9756016 · Customer

The Masked Corporation#5207110 · Member

The Dictatorship of Generica#2589009 · Peasants

[SCP-G] Special Containment Procedures Global#5632521 · [LEVEL-0]

Group Finders#9465972 · Member

National Security Agency ᅠ#8322478 · RECRUIT

Pyro's Obby Studios#8236193 · Obbyist

Nekitop#4221931 · Member

Simcremental Studios#3984469 · 🎮| Player

『S』『a』『k』『u』『r』『a』#5020706 · S̶W̶E̶E̶T̶_̶Friendʕ￫ᴥ￩ʔ

Whose Clothing#6293348 · Member

Volchonok Veronika#7367675 · Member

Delushious Puds#4233700 · spooky

Stud Forge#5790093 · fan

Molten Incorporated#5035240 · Member

YounG Flexer$#6543966 · Флэксер

this uh, Random Group#4087827 · Member

Molten Security Team#7028957 · Cadet

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Molten Fire Team#9479601 · Recruit

Группа Никитоса#7963238 · игроки

Molten Medical Team#7158013 · Medic Recruit

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Innovation BLOCK Helpers supporter#9553359 · [LR] trainee

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