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SonOfOtter @Kostyanych2019 #1278453978

14 October 2019
account created (per Roblox API)
29 Aug 2026, 23:46
last measured (UTC)

Username record

@Kostyanych2019 — observed 29 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)

Vidra Studios#32801135
23
Chaos Guardiansᅠ#33194129
18
Rhodesian Bush#10464380
6
Пиво#8290902
5
Project Zaporizhzhia#11920509
5
The British South Africa Police {PD}#10738375
2
InNV | Independent New Vegas#12985110
2
Community of Medium Developers#13006751
2
Abu Dhabi, UAE#12772879
1
Kandahar Province, Afghanistan {II}#11056455
1
[PMC] Delta Company#15235264
1
3rd Battalion, 7th Marines Modern Insignia#12820025
1

Open data

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

Also a member of

The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,525
(学乱) Gakuran#416091513 · Students
7,583,411
Police Roleplay Community#4328109 · Community Member
2,209,914
|BA| British Army#2621202 · [OR-2] Private
2,022,137
Names Are Not Important#8731481 · Member
1,927,269
United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,429,263
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,183,291
UrbanSector#6811462 · Fans
1,095,621
The Nighthawk Imperium#1174414 · | 1 | Citizen
907,203
Highfield City Police Department#6117548 · Police Officer
862,252
Hapless Studios#5502618 · Supporter
839,278
Nogo#3394697 · Members
804,634
Five-O Community#4824823 · Member
720,102
L.A. Airways®#1249062 · Passenger
675,254
Central Intelligence Agencyᅠᅠᅠ#6572612 · Agent Trainee
634,866
United States Secret Serviceᅠᅠᅠ#5856978 · American Citizen
624,287
Quarantine Roleplay Community#6448240 · Community Member
614,557
Royal Hillcrest#10380454 · Upper-Class Guest
456,939
Robloxian Myth Hunters#619142 · Myth Seeker
424,068
The United States Marine Corpsᅠᅠᅠ#5655676 · [E1] Private (Basic Training)
378,923
The Rainbow Omega Group#3229253 · Normie
282,391
Pinewood Builders Security Team#645836 · Trainee
238,559
The Red Cell#3880488 · | 3 | Technician
238,543
Plasma Inc.#4192306 · Member
220,703
Grand Robine Army#6047403 · Militia
208,758
CMB | The Universal Union#4904885 · Recruit
174,123
Mano County Sheriff's Office#2864910 · Trainee
169,735
Palm Creations#5611347 · Community Member
158,614
[SCPF - Special Containment Procedures Foundation]#4606577 · Class D
150,677
LLP Projects#7779951 · Group Member
144,322
United States Coast Guard ᅠ ᅠ#9057373 · [E1] Seaman Recruit
111,978
Neighborhood War Group#4625571 · Normal User
109,639
Traits of War Community#3025405 · Roleplayer
95,936
LeMonde Airlines#1156950 · Economy Class
88,353
World Conquеst#12670687 · Conqueror
87,387
FRR | Los Angeles Police Department#5881087 · Cadet
83,223
75 KW Diesel Generator Studios#12568906 · 50 KW Diesel Generator (Used)
76,592
PoliceSim Studios#3244701 · Fan
69,131
Mano County Sheriff's Office - RolePlay#5415376 · Trainee
68,938
ROBLOX TV Studios™#1102595 · Viewer
67,079
Plaza Connect Community!#1207931 · Plaza Community
60,872
South Central Chronicles#5268800 · Citizen
50,677
Western Army**#6474323 · Recruit
46,737
Polarstar Studios#5615635 · Members
40,591
SCP-F ︱Special Containment Procedures Foundation#6650179 · Security Class 0
38,358
Anarchy's Apocalyptic Apparel#2713017 · Clientele
32,043
Code 8#4650794 · Customer
24,234
fish supporters and fans#32433402 · many fish of the sea
20,216
[UA] Ukrayina#11334276 · Tourist
20,153
The Soviet Mafia .#5326819 · Prospect
19,248
Tactical Clothing°#3016192 · Customer
14,809
Military Intelligence Corporation#528560 · Enlist
12,842
AAU (Ace Attorney Universe)#32792038 · Member
12,782
Red Cell Templars#4924452 · | 2 | Apprentice
12,480
The Imperial Realm of the Rhine#14901212 · Immigrant
10,277
Orange's Military Exchange#9040177 · Customer
10,002
Epic Department#7665231 · Sapling
8,127
Finlandic Armed Forces#8187277 · Alokas [NEEDS TRAINING]
5,063
Ⅲ Ⅲ#8124530 · Community Member
4,216
Udmurtian Republic#32886282 · Immigration and Naturalisation Service
3,913
Primitive Clothing°#3644828 · Customer
1,604
The Customs#2930696 · Customer
1,515
"Killing time"#35619044 · Splinter
1,344
[DD] Dystopia Dress#8583000 · Customer
1,188
SHOWTIME.#6273231 · 1 | Valued Customer
1,179
Bomj Gaming#35595027 · Traveler
1,067
GreatNorth Studios#17021663 · Community Member
874
Rеmade#13164494 · Player
518
The United States Air Force Department#8173020 · [E1] Airman Basic (Basic Military Training)
403
Red Studio!#4377427 · Member
356
MORBID TERRORS#5458671 · Member
301
Singapore Armed Forcesᅠ#17321535 · Basic Military Training
295
Manface Studio#12903762 · Troller
247
Litex Fund#14871324 · Member
240
Канал Развлечения (Channel Of Fun)#4102742 · Subscribers/Подписчики
93
Axillary#16864250 · Member
89
Military Recruitment Plaza 2.0#6107845 · Community Member
67
Württembergische Αrmee#10330860 · Conscritto
53
FUNNY TADJIK!!!!!!!!#7596123 · таджики
37
WesMax#9121673 · 5
30
The Mafia Boss Group#10187062 · Mafia member
28
Phοton Development#15610349 · Member
28
Special Containment Procedures Foundation[SCPF]#6970249 · Class-D
26
Koyka Games#10002899 · Member
13
Österreich Empire#10113692 · Recruit
11
Walter is best#7284257 · Waltercity citizen🐕
9
StreemerRGroup#6482447 · Костя
8
4th Battalion, 2nd Company#15986430 · Enlisted
8
SHadow Team Roblox Group#7943043 · Member
5
| Shrug Army |#33771690 · Shrugger
5

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