@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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RELL GAMES#4939446 · Bronze Rell

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Playduo Studio#4626344 · ⭐Fan

Rock Panda Games#8252064 · Fan

HumbleGames#6157556 · Member

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

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SCP | Roleplay Community#5479038 · Roleplayer

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

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

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SizzleBurger#1016598 · Customer

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bordr fanclub#5069767 · unpaid npc

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THE VIRUS™#2883091 · Supporter

The Mayhem Syndicate#4890641 · Recruit

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Pinewood Builders Quality Assurance#4543796 · Level 0 Tester

Premiumsalad's Group#3006830 · Fans

Landsurfa Studios#7484297 · ⭐Fan

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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

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