kostis @Kostiskat #284385027
11 April 2017
account created (per Roblox API)
7 Nov 2026, 16:25
last measured (UTC)
Username record
@Kostiskat — observed 7 November 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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Also a member of
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4,291,326Pilot Training Club#2794513 · Trainers
3,916,902Roblox Wiki#127081 · Wiki Helper
3,762,558Kohaú#4731484 · Trainee
2,666,508Frappé®#950346 · Junior Barista
2,006,342Nova Hotels X#4683371 · Hotel Guest
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1,130,867Venti®#2911006 · Rookie Barista
1,104,941SizzleBurger#1016598 · Cashier
994,438Pablo's#2832203 · Customer
832,328Soro's Restaurant Franchise®#1108927 · Trainee
728,275Theme Park Tycoon 2#2910194 · Super-epic builder
684,957L.A. Airways®#1249062 · Passenger
675,995Stepford County Railway#3620943 · [GD] Guard
668,632Tsunami Sushi#1131775 · Trainee
437,541OMG#4585943 · Friend
380,040The Iron Cafe™#1221204 · Cashier
280,556Future Nostalgia Productions#14092867 · Nostalgia Member
227,152Roblox Developer Community#10720185 · Developer
187,763Emerald Theatre ®#3167534 · Technology Manager
185,935Verde#2859030 · Trainee
172,655The Company: Corporate Roleplay#1027839452 · Member
146,402Network Britain#6074059 · [TO] Train Operator
111,327The Oak & Ivy#392370097 · Crew Member
102,389LeMonde Airlines#1156950 · Economy Class
89,951Plaza Connect Community!#1207931 · Plaza Community
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25,750Trainware#3403602 · Member
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11,438Roblox DevForum Community#3514227 · Member
10,843Movie Land Theme Park#4981404 · Park Guest
10,499Swirlyz#5557976 · [3] Trainee
9,493Jusu#4233988 · Customer
5,812Rosique Dance Studio#5800787 · ♡ | Rosique Supporter
5,570Konditori#6101649 · members
4,898Roblox Beta Program#6380707 · Beta Tester
4,311The Corporate Studios#5949037 · Participant
3,293Star Wood Hotels and Resorts#5839463 · 1 | Hotel Guest
3,069Mochidoki#10400513 · Customer
2,825Frappé Security#5513985 · Application Stage
1,736Kauso#8470291 · Notable Customer
1,308Venada#4730337 · Customer
1,228Potica Bakery#10927389 · Customer
1,023Mangoly#10128375 · 🏝️ Islander
990Thai Tea#5268856 · 🍽️ Customer
860Yolato Industries#5532947 · Customer
802Premiere Hotels | Group#5762769 · 1 | Hotel Guest
796Ventizé#6903835 · Customer
438NOLA Bistro Cafe#10141305 · Trainee
409Magnificent Heroes#3484089 · Member
392Dulceo#10511801 · Prominent Customer
321Makoui#5214798 · Customer
312Medovik#11556576 · Customer
312Universal Bowling#6652447 · Bowler 🎳
293FreshCo Incorporated#8139177 · Customer
265Fresh Juice's#6783560 · Customer
155Limonana#9887387 · Customer
146Teriyaki'd#9429792 · Customer
131Gōrudo#7599919 · Customer
126Rock Apparel Co.#8102904 · Fan
97ViperC Games#6715856 · Players
44Kalai Juice Bar#5814663 · Customer
44SweetBrew Café#6415358 · [1] Customer
43Tropical Grill#8760947 · Valued Customer
35LavaLays Hotels!#5241323 · 𝟙 | Hotels Guest
34polarise#5658803 · shopper
32Teroki#10803248 · Awaiting Training
32Yumko#10590262 · shoppers
23Molusa#5699121 · Customer
19Swirlyz Moderation Team#6494662 · Supporter/Visitor
15Seonka#9273558 · delicate
12RoTech Productions#6035864 · Co-Owner
11JB Commissions#9555716 · Visitors
10Treatiez's Franchise#6908233 · Valued Customer
10Shirts for sale.#9914972 · Member
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3Upfill Studios#12021358 · Beta Testers
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2Membership and rank as measured from this user’s public group list.