Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@WastefulMateen

mat @WastefulMateen #153727013

18 August 2016
account created (per Roblox API)
11 Aug 2026, 23:34
last measured (UTC)

Username record

@WastefulMateen — observed 11 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)

Open data

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

Also a member of

Blue Lock Rivals Unofficial Fans#34671275 · Member
32,894,548
(学乱) Gakuran#416091513 · Students
7,496,706
RELL World#1226491 · [Gen] 2X21
6,625,991
[B:S] Azure Latch Team#35316274 · Member
6,560,428
RELL GAMES#4939446 · Bronze Rell
3,464,240
USSF - United States Special Forces#22025 · [1] Private
3,413,125
Slayers Unleashed#10030212 · Game Community
2,955,538
Cool group for big cool people#9285211 · Pro
2,939,245
ΞGO#34966374 · Member
2,305,327
Clover Retribution#15890651 · Member
2,081,310
[B:S] HW Team#6073919 · Fan
1,924,410
TS Industries.#14215552 · Member
1,092,544
Devil Hunter May Cry#35791681 · Member
1,023,630
LOL#2 · Cheezburgers
816,035
StackOrStarve Studios#8667673 · Community
554,790
Digital Merit Studios#7674505 · Players
511,857
Slubberdegullion#16235723 · Member
431,780
Block Games Studios#6129662 · Members
419,178
The Attack on Titan Project#3865381 · Low Class
260,189
Shinobi: Project#5574590 · Shinobi
226,960
Project Hero 2#1230373 · Community
218,695
Vows by the Sea#10287445 · Supporter
147,557
Demon Corps North Branch#16346602 · special rank
137,932
NAMEK GANG#6664536 · Member
128,440
Shinobi BattleGrounds#4729665 · Shinobi
112,667
Grand Alfheim#32393597 · [P] Patreon
108,817
arcadias games#15032683 · Member
59,780
Shinobi Saga Community#10098304 · Community Member
59,098
SHUUDAN!#13332703 · Tester
44,879
Shonen: Online 2#14681002 · Member
38,664
Humanity's Fate#13281782 · Player
33,247
Northgate Secondary School#11618402 · 8B | Year 8
28,066
Bludies#32428911 · Member
26,656
SpirituaI Studio#10569041 · Muse
25,101
B.Studio#8642620 · Epic Members
22,957
Tempest Destruction#12368339 · Member
16,103
Dragon Ball Advanced Battle#3505804 · Players
11,306
Tyrone Shippuden#9860646 · Non-Wave
10,429
Kun's Studios#16510529 · Wave
9,362
RARE64#2594834 · members
5,672
Titan: Arrival | T:A |#5612395 · Closed Community
5,664
Demon Slayer: Conquest#10779250 · Community
5,016
Ninja Burst#4600375 · Members
4,968
Soras Studio#11182135 · Member
2,998
Grand Line's#34765753 · Non CC Access
2,579
Shinobi Revolutions#12533593 · Members
2,092
H0PE STUDIOS#13460506 · {W} Waved Community
2,006
Paradise ヤ#8185573 · Commoner
1,598
Kamui: Origins#11924099 · Wave
1,571
Trigrant Studios#2939668 · Waved
1,464
The Saint Beasts#9974204 · High Ranking Underling
1,056
Savage Arc#12823475 · Wave
1,027
Evolution [EV]#9462632 · Under Classed
817
Ryusei tales#14841959 · Member
698
Nindo Era [OC]#13216768 · Wave 1
671
Kimura 木村#5175502 · pending🌴
593
Shinobi: Origins#8413183 · Member
521
Sfw's Group#13771073 · Members
445
Reverse Dance#9493038 · Member
403
[P:SW:] Ta no Bloodline#11638933 · 1
396
what it could be#32595563 · waved
381
Zekken Studios#14424387 · Wave
361
Reformed Productions#8219976 · Member
359
Jujutsu Abyss#34379348 · wave
338
Heroes Legacy#5042055 · Member
318
[NS:3] Main Group#4787131 · Follower
304
TONCG Productions#13241308 · Chill People
298
Cirb#35930707 · Member
297
[HIVEHAND]#7090240 · Waved
281
Sky's World!!#4356191 · Member
279
[ GRIEVANCE ]#35774749 · 𝐖𝐚𝐯𝐞
252
Shenzu Online#14363471 · {CC} Closed community
202
Naruto Online: Shippuden#9517777 · Member
202
Revolutionary Studios(Slayers/Shinobi)#15178034 · Member
193
Pagoda Studios#12185591 · Member
180
Insticnt#14334257 · Member
175
Shinobi’s Quest#12965068 · Member
164
Shogen Studios.#32491487 · Waved
155
happy group for super happy people#1043068580 · Member
137
DaGang Studios#14765133 · Members
130
Shinobi Impact#12019948 · Waved
130
Citrolapho#33073963 · Member
125
Prodigal []#7392761 · Developers
124
UNKNOWN MOON [UM]#16028066 · Waved
105
Wii sports#5184555 · 🏓Wii Beginner🏓
68
Tempest: Shippuden#14959905 · Member
63
| : | Mori and Mask Projects | : |#17115973 · Special Tester
59
That One Demon Slayer Copy#14049557 · Member
59
Kyojin (CC)#14063633 · Member
56
诶Wanted诶#10335643 · Wave
56
WE ARE VICTORIOUS!!#14593621 · Waved
55
Way Of The Kunai#13627942 · Shinobi
53
Onyx Online#4910239 · Pending Wave
37
Ninshū Studios#10087331 · Closed Community
32
Vermillion Hub#16787644 · Member
32

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