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Tennessine @sebastian_reallycool #3999628431

9
followers (as measured)
24 October 2022
account created (per Roblox API)
1 Sept 2026, 17:17
last measured (UTC)

Username record

@sebastian_reallycool — observed 1 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.

Groups owned (as measured)

-|IRA|- Imperial Russian Army#17334254
20
[TIO] Tears In the Ocean#32705863
5
The Royal Austro-Hungarian Army#33592261
2
IR || Imperial Rome#32734630
2
|FK| Freikorps#35440551
2
Unification of the Dead#33593305
1

Open data

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

Also a member of

lol games..#12208023 · Member
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LSPLASH#3049798 · you guys
23,822,840
BlushCrunch Studio#14576965 · Member
8,905,539
RCM Games#11867394 · Member
5,197,963
ZedCo#3315676 · MemberZ
3,485,515
Do Big's Clicker Sim#4546767 · Member
1,926,036
The US Military 1940s#4545116 · Warrant Officer
1,420,024
dreamy™#4266525 · Supporter
882,690
Highfield City Police Department#6117548 · Police Recruit
862,583
Guts & Blackpowder#16911831 · Fans
574,022
Lithium Labs#5205652 · 💖 Fan
516,715
Mega Drive#3839331 · Player
461,318
Royal Hillcrest#10380454 · Upper-Class Guest
456,862
The Axolotl Sun#5399587 · Players
435,242
The United States Marine Corpsᅠᅠᅠ#5655676 · [E2] Private First Class
378,888
Extreme War Experience#5863339 · Community Roleplayers
351,088
The Galactic Εmpire .#5288669 · E1 | Cadet
299,233
Sandbox Engine#526116898 · Member
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Alpha Killstreak Community#32824600 · Member
154,026
DarkNJourney#35684084 · Member
148,673
{MENLO-INFANTRY-DIVISION}#34159688 · [SOLDIER]
108,638
Bitrix Development#14747831 · Employee
107,889
Roman Entertainment#6531840 · [Community Member]
76,749
Shell Shock Community#9407985 · Member
71,103
Plaza Connect Community!#1207931 · Plaza Community
60,868
[HE] Historical Experiences#35593396 · Member
43,345
Historia Universalis#32922289 · Customer
36,169
Λstray#10792969 · > Customer
28,396
DrLivesey's extremely epic clothing group.#5466526 · Customer
25,024
Nationalist Studios#33552193 · Member
21,132
A Wyvern Treehouse#14527351 · Saviour
16,411
Solver Games#34856305 · Member
14,812
United States Marines 1940s'#4594620 · Corporal
14,381
Our Execution#34575076 · Players
13,068
DevLion's UGC#15007234 · Supporter
11,396
Victoria aut Mors#7776440 · Member
10,799
Quаrtermaster Corps 1940s#32617081 · Customer
6,407
{EAST} Eastern People's Army Naval Force#9953350 · Seaman Recruit
6,321
Spoon Cat Studios#15709033 · Member
5,715
Gatete Dev Team#193562151 · Miembro
5,304
Revenant Of The Great War#33747167 · Members
4,292
| BA | - British Αrmy#33421342 · [PVT] Private
2,725
|TSU| - The Soviet Union#5916527 · Immigrant
2,636
Project Philippine National Police RP#32334049 · Basic Police Trainingg
2,578
THE STARGAZERS Community#35327790 · Player
2,513
FPE INSANITY#1030701146 · Member
2,201
Insurrection UGC#34502389 · Member
1,327
very good cloths inc#5037509 · people who like the cloths and buy lots of cloths
950
1st Mаrine Amphibious Corps 1940s#14178412 · 1st Marine Division
698
Tranning center groups#12089976 · [OR-1] Recuit
377
Clenatic Industries#12032113 · Supporter
367
The Federation of Taurisia#487499228 · Citizen
291
Bartoszyce#5187335 · Friends :)
225
Federal Ground Forces of Taurisia#606830531 · Recruit
191
WW2 CIothes#33659742 · Patreons
185
Revenants of the Great War#33613715 · Fans
182
[RMC] Robloxian Marine Corps!#16880440 · [E2] Private First Class
138
Northwood Prison Society#15904646 · 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝘁𝘆 𝗠𝗲𝗺𝗯𝗲𝗿𝘀 ⭐️
131
Historical Archive Group#34458343 · Member
127
KON | Kingdom - Of - Norway#33811020 · C | Citizen
125
Strelitz Pacific#422482792 · Member
119
Astrian Realm#393113711 · Supreme Command
93
भारतीय सेना#32329152 · Basic Military Training
62
BA RIC Royal Intelligence Corps#16235622 · [A] Agent
62
United States Armed Forces(U.S.A.F)#3773244 · Private
60
United Stαtеs Armу#17118248 · [E1] Private
58
FL | Fort lee#32551073 · [E-1] Private
54
1st Cavalry Funding Group#34213421 · 1CAV Members
34
[UAF] Quartermaster Corps#34083340 · Enlisted Personnel
33
The royal Family of British#16520248 · Guests
32
New Imperial Octavia#559259047 · Commoner
29
|AAC| Army Air Corps|#16769369 · [P/PO1] Patrolman/Patrolwoman.
25
|BA| British Army By Syam23op#15220638 · Basic Military Training
24
Socialist Security Academy - Military Police#15606419 · [PA] Pending Applicant
21
[AUSN] Academy Of United States Navy#15568426 · Vice Admiral
21
Marty's Historical Games#13807526 · Fan
19
[USAF] United States Άrmed Forces#33784235 · [REC] Recruit
19
bacon army !!!#14708212 · Member
19
12 PARA | The Dirty Dozens#573076064 · Awaiting Placement
19
Federal Maritime Service of Taurisia#1040958639 · Sailor
18
Kings Peoples Group#35217281 · Member
17
|ASOC| Army Special Operation Command|#16756664 · Co Founders🧑‍⚖️
15
New Imperial Legion of Octavia#128331337 · Cohort Leader
11
Prismo Games!#16973363 · Members
10
|| ETS || Education & Training Services#16891388 · [EO] Executive Officer
6
Tank Tread Studios#35535286 · Treads
6
New Imperial Guard of Octavium#811869815 · Centurion
6
Many named cooly man#11483201 · Admin
5
MIBA Milo's British Army#32366693 · Member
5
DumbLads Studio#331353703 · Member
5
me, fan club.#15687602 · Member
5
Armed Forces of Polskayen#34178942 · Cadet
4
|USMC| Marine Raiders Regiment -#34002163 · Commandment of the Marines
3
[SD] SECURITY DEPARTMENT]#17026165 · ☁︎ Fire Chief's Assistant☁︎
2
Astrian Army#675599972 · RealmsarmyMarshall
2

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