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Mark @sinisterboat #668117650

7 July 2018
account created (per Roblox API)
30 Sept 2026, 02:23
last measured (UTC)

Username record

@sinisterboat — observed 30 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)

Open data

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

Also a member of

Nosniy Games#3461453 · Fan
59,406,558
Blue Lock Rivals Unofficial Fans#34671275 · Member
32,894,662
Current.#34852864 · Member
18,340,158
Sol's Studio#8509669 · [Gamers]
12,749,514
(学乱) Gakuran#416091513 · Students
7,496,633
Brainrot Evolution#35325835 · Member
7,258,912
RELL World#1226491 · [Gen] 2X2X
6,625,993
[B:S] Azure Latch Team#35316274 · Member
6,560,446
[B:S] ARX Team#15009415 · Member
4,170,487
[B:S] ALS Team#12229756 · Member
3,481,227
RELL GAMES#4939446 · Bronze Rell
3,464,240
Awesome Ninja Games#15557357 · Member
3,269,079
Cool group for big cool people#9285211 · Pro
2,939,241
Universe Time Studio#6556072 · Universe Member
2,473,484
ΞGO#34966374 · Member
2,305,322
Nova Hotels X#4683371 · Hotel Guest
2,003,129
uma racing Community#376874468 · Member
1,763,054
Bloxton Hotels#2788849 · 1 | Hotel Guest
1,741,866
Innovation Inc.#157764 · Member
1,154,061
Devil Hunter May Cry#35791681 · Member
1,023,627
SizzleBurger#1016598 · Trainee
994,334
Golden Finger#36052637 · Mortal
869,147
Solera Hotels & Resorts#3435330 · Hotel Guest
643,016
delpw#5586459 · Member
581,147
Serendipity Support Center#4346739 · Client
542,134
Slubberdegullion#16235723 · Member
431,780
Shindo Story#8464407 · Pending
419,942
Block Games Studios#6129662 · Members
419,176
MOMENTXM#17351304 · [Player]
394,321
(私学 ) Shigaku#1009579253 · Member
349,368
Archived Library#32725402 · Member
252,716
Holy War X#4302692 · Community Member
249,211
Heaven Stand : Studio#14969442 · Heavenly Member
232,283
Hidden Ember Village#8472120 · Villager
198,114
BAX Studio#5218591 · [🅱️🅰️❌] Fans
194,422
Project Mirror Labyrinth#127473071 · Member
180,591
Demon Corps North Branch#16346602 · gen44513
137,932
OVA Game Studio#10455298 · Crusader
129,302
Shinobi BattleGrounds#4729665 · Shinobi
112,667
Bloodsung#33668517 · Modern Era
85,146
Shinobi Community#7338529 · Pending
84,862
"n" Gamepasses#8404451 · Player
82,162
FORCE VISIONS#4840111 · Wave 2
51,974
Shinobi Organizations#7274207 · Pending
45,833
Metsu Entertainment#9729817 · Players
40,201
After The Soul#34020430 · member
21,795
Ohniway#34343379 · 🔥 | Ohniway
18,347
Wocky Incorporated#32581038 · Member
15,146
National Roblox Basketball Association (NRBA) #589029 · Fans
12,144
(NRBA)- National Roblox Basketball Association#950128 · Fans
6,623
Prodigy [CC]#33585058 · Tester
1,632
Cyberpunk: Nexus#35300834 · Edgerunner
1,472
Clovr Studio#12505174 · Closed Community
1,253
Esper Battleground#17301040 · Members
402
Try's Clothing Co.#17293907 · Member
367
Pink! Pink! Pink!#6161964 · Gal🌺
260
Distressedd#33827044 · Marked
34
SH4D0W Studios!#11373249 · Admin
11

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