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@markunder1234

448 @markunder1234 #384377675

4 September 2017
account created (per Roblox API)
7 Sept 2026, 08:11
last measured (UTC)

Username record

@markunder1234 — observed 7 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)

mr tentacles fan group#6147463
15
TRASH SWAG#5814879
10

Open data

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

Also a member of

Quataun#12121240 · Member
18,197,551
The Flamingo Fan Club#3336691 · December 5th we will all do something
9,880,777
Car Crushers Community#2726951 · Skilled Crusher
8,642,289
(学乱) Gakuran#416091513 · Students
7,574,258
Official Group of Drift Paradise#5216132 · 👤Standard Drifter
7,072,694
Foxzie#3955051 · 👤 Member
7,035,638
Paradoxum Games#4914494 · Player
6,041,418
QuadraTech#4645213 · Supporter
3,858,425
Roblox Wiki#127081 · Wiki Helper
3,736,347
USSF - United States Special Forces#22025 · [5] Sergeant
3,413,593
TBlox Studios#6039961 · Player
2,209,326
The Red Army .#4802792 · Junior Conscript
1,537,185
PlayCombatWarriors#5192826 · Combat Warrior
1,200,092
United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,187,426
[CBRN]#5855434 · [E-1] Recruit
1,143,372
devGem#2776987 · Fan / Member
943,927
Skilled Studio LLC#787581 · Fan
881,783
Special Containment Procedures Foundation [SCPF]#2760782 · Class - D
618,128
Quarantine Roleplay Community#6448240 · Community Member
613,904
Moondrop Studios#4368670 · Member
531,500
Militsiya .#4901723 · Senior Militiaman
481,843
Fatal Experiences#5224454 · Owner
460,943
Skate Central#5881468 · Skater
459,734
Trade.#650266 · Advanced Trader
444,763
Nocturne Entertainment#1211044 · Supporter
424,355
GMD Corporation#2707586 · Fan
422,797
Hοly Rοman Empire#5908211 · Recruit
363,480
$oIitary#7854111 · Member
323,925
MrNotSoHERO Official Group#3543123 · Members!
320,585
Infamous Productions#4360726 · [M] Members
315,012
Temple of Brickbattle#3397136 · [0] Follower
310,594
The Rainbow Omega Group#3229253 · Normie
282,480
The Linkmon99 Fan Club!#407447 · #LINKMOB 😎
278,332
No Pants Team#5141900 · Epic Fan
271,033
Maritime Roleplay Community#3297339 · (I) Roleplayer
259,518
United States Military 1960s, Vietnam | USM |#5877919 · E1
252,566
TheGreatDevelopers#4144750 · Member
245,812
Epic MP Team#13818800 · Member
227,105
Team Shark#1044005 · Fans
220,999
SCP: Site Roleplay Community#2935212 · Group Member
219,827
ｃｙｂｅｒ ｈｅｌｌ#5429615 · *•.𝘤𝘶𝘴𝘵𝘰𝘮𝘦𝘳𝘴.•*
217,180
[λ] Half-Life Roleplay#2795144 · HLRP Member
213,402
Vigor Studios#6404666 · Member
212,221
The Party .#4849580 · Bureau Secretary
210,027
[GX] Studio#5633742 · Community
197,529
Melih Kardes#3773260 · 💖 Takipçi
196,383
Dejavu Studios#15813633 · Member
186,247
Shedletsky Studios#2814397 · Subscriber
184,819
Issara Studio#5357494 · Members
178,487
UK Streets [ULTRA]#15742779 · Ultra
177,086
Roblox Intervention Foundation#5189037 · Clearance-0
170,106
The Chornobyl Anomalous Area#3368918 · 2-Gear Member
164,021
{MENLO-INFANTRY-DIVISION}#34159688 · [SOLDIER]
159,669
C:\Games\#3441839 · Trusted Fan
158,146
Runker#4575704 · Member
141,606
The Coolest Kids Of Them All#4277911 · Cool Kids
135,170
Containment Breach Community#3140613 · Supporters
129,066
DDBP:Productions#6063619 · Member
123,638
S.C.P. Roleplay#3895837 · Level-0
106,283
Gamefam x Hot Wheels#7661178 · Member
94,209
Facility Roleplay [ConX Studios]#9665726 · Community Member
89,390
Cubic CO#16838763 · 👑 Owner 👑
73,879
War of the WorIds#5166712 · Members
72,758
The Robloxian Army TRA#165491 · Recruit
67,340
Obby Developing#9361389 · Obby Member
55,758
Merely Studios#3483236 · Newcomer
54,828
VR Community#5688275 · VR Supporters
53,922
Toasted Marshmallows#4874079 · Toaster
52,262
The Grеat British Kingdom#6104033 · Cadet
51,733
Team Pixel Project#5439749 · Member
50,405
Mythsman: Myth Investigation Service#4612275 · Investigator
47,097
6 Star Studios#5479316 · Surfers
40,239
Flex Your Account Age Community#6001218 · Player
40,097
MikuMikuClub#2729347 · Follower
36,282
Koyot Digital#33528008 · Member
35,911
Wayward Outpost Community#35961686 · Eleskan National Guard
32,443
StarMarine Fan Club#5840217 · Fan
29,876
Altrax Fan Club#3617666 · New Born
24,115
The Red Guard of the Union of Soviet Socialist#4157480 · horor
19,946
The Soviet Mafia .#5326819 · Prospect
19,225
RGT#5251413 · 🎤 Auditioners
19,220
Spetsnaz [☭]#4159757 · Awaiting Tryout
16,631
ROBLOX Community Developers#3326755 · Member
15,898
Thе Chill Insurgency#6789012 · Escaped Test Subject
15,270
Rat Police Department#6015999 · Cop
12,202
The Aristocracy .#4804809 · Legendary Aristocrat
9,231
Mоrtem Metallum Community#34717625 · Mortem Players
9,202
T . B . E || The Bacon Empire#3739178 · 〔T1〕|| Bacon Recruit
7,585
Official Guns Group#5819777 · member
6,922
Helpful ROBLOXians#75269 · Helpful ROBLOXians
6,380
Ministry of Foreign Affairs [☭]#4335574 · Awaiting Tryout
5,074
Project 17: Fan Group#5966882 · Citizen
4,204
Kasodus#3213168 · The People
3,955
Foreign Operations Department [☭]#4335588 · Member
3,269
Cousin Tentacles he's UNDAR 9000!!!!!!#13555630 · Fans
3,074
The Global Regions#3439540 · Outcast - Pending Citizenship [FILL OUT AN APPLICATION AT APPLICATION CENTER
2,849
March of The Dead Community#4526733 · Fan
2,575
Elevator Gang!#6935274 · Member
2,563
Friendly Entertainment#4255973 · Friend
1,883
"E.B" • Exército Brasileiro#6912699 · [Rec] Recruta
1,629

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