Kos @KostyaFedus #915013143
1 January 2019
account created (per Roblox API)
18 Sept 2026, 19:41
last measured (UTC)
Username record
@KostyaFedus — observed 18 September 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.
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8,913,750Powerful Studio#5522949 · 💙┃Fan
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1,720,735Pear Pressure#17113925 · 🍐 Pears
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1,539,348TPC Simulators#15873445 · 💚 Fan
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1,464,955NOYO Productions#34481840 · Member
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1,276,396WonderOrb Zone#32887929 · 💖 Member
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1,037,225GET ON THE BUS GAMES#16208015 · wheels that go round and round
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853,767Blue Fox Development#5253408 · B | Bisexual
837,956Mojo's Games#3661096 · Member
784,272XP Simulators#16082989 · Lifters [💪]
770,618Strigid#6464780 · Supporter
763,615YozGameStudio#16589685 · 成员
690,799Tiny Panda Studio#5022320 · Panda's
662,586LunarGames.#16230750 · 🎮Gamer
628,772Fireblox Games#8254225 · Member
539,154-Lunar Productions-#7886735 · Players
522,363Fallen worlds official group#9293165 · Member
517,090Sword games group #1#16881865 · Member
432,661Yellowstone Unleashed#11010141 · Member
402,871Tiger ®#882148 · Premium Customer
359,441SISTER SQUAD OFFICIAL#6092848 · Member
349,639Gummie Games#33809437 · Member
344,573Luminary Games!#32385121 · Member
255,939Super Fun Tycoons#14890739 · Member
251,839Villain Inc#16351299 · Community
246,858Seriously Dude Official#4945857 · Player
182,487Primal Pursuit#16689173 · Survivor
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26,702The Captain’s Crew#13727589 · Crew Member
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13,656Royal Reserve#10005238 · Member
12,255Subfire#4907904 · Player
11,173Ancient Earth#5267801 · Support
6,564Built Productions.#11486823 · Supporter
3,958Congo Pride#5008332 · Fans
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11Membership and rank as measured from this user’s public group list.