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@thebookmaster1

Book @thebookmaster1 #101263849

137
followers (as measured)
12 December 2015
account created (per Roblox API)
15 Aug 2026, 12:45
last measured (UTC)

Username record

@thebookmaster1 — observed 15 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)

[SL] The Book Cult#6252748
90
Notryx#35932615
5
Militia ''Arkoudas''#35937140
4
Notryx Sovereigns#35942981
2
Hayakawa Weapons Group#13695868
2
Servitors of Apvi#35942692
2

Open data

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

Also a member of

RELL World#1226491 · [Gen] 2X2X
6,622,329
[B:S] Azure Latch Team#35316274 · Member
6,537,006
RELL GAMES#4939446 · Bronze Rell
3,463,323
Universe Time Studio#6556072 · Universe Member
2,470,121
Clover Retribution#15890651 · Member
2,063,783
Moonstone Games#8918098 · Member
371,726
Divine Duality#33206954 · Member
369,480
The Galactic Empire ‌ ‌ ‌ ‌#3145747 · Staff Sergeant
361,924
Vetex#3596833 · 💚 Supporter
143,477
Thе Known Galaxy#6153729 · Explorer
133,159
Star Life Community#4339577 · RP Community
118,014
Zeta Medical Corporation#5763193 · Community Fan
86,476
Тhe Sіth Оrdеr#9135125 · Adept
77,324
[ ASYNC Research Institute ]#14615870 · Staff
32,001
Esercito NapoIetano#6764583 · Coscritto
27,767
Callisto Innovationsᅠ#33161058 · Staff
25,597
[:] Red Wolves#5144434 · Member
19,637
The Noobic Stratocracyᅠ#1008942731 · Stratocratic Civilian
19,033
LEE://GAMES#7762672 · Wave 1
11,576
Project: Viltrum#635244207 · Waved...
10,267
P.I | Phoenix International Corporation#3300905 · Test Subject
9,232
Sith Academyᅠ#14810122 · Graduate
8,559
Supreme ‌‌‌Headquarters Allied Expeditionary Force#3006571 · Allied Expeditionary Force
8,497
WeMakeOkGames#5500746 · Tester
5,689
Czonia#7679789 · Kursatnec [Lieutenant]
4,337
Vesta Conglomerate#9400816 · Volunteer
1,733
ROBLOX Galactic Conquest#5662065 · Fan
1,470
[SWOA] The First Order#2720084 · Imperial Captain
1,405
[∞] OUROBOROS#5140965 · | I | Neophyte
1,075
The Atlas Community#33668936 · Participant
808
Fel'Davn#3004201 · [HR] Seiceadóir
699
Korblox Confederacy#35065811 · Körpsman
657
Island Rangеrs#33827365 · Ranger
541
Rancor Studio#5718491 · Community
504
TS | The Syndicate#33759961 · Contractor
494
[SL] The RPG Community#16579831 · New Generation
303
Flowers & Steel#33037448 · Nation Members
281
Murakami 上#12141099 · Iribito | Stranger
262
Realm of Uyrel#1106689349 · Traveler
231
[ INTERFECTORS ]#33373456 · Countertenor
214
Czonian 16th Infantry Division#11952425 · Regiment Headquarters
183
Wish Enterprises#16599910 · Trooper
181
[IR] Certification Program#34702793 · Tier 1 Cert
151
TerraGenomics#32615113 · Stage Tester
133
Galactic Cartels#5935751 · Bounty Hunter
123
White Phoenix Initiative#15626531 · Affiliate
101
Star Wars Project#7547766 · - Tester -
94
Thernsia#33600948 · Errant
90
Stellar Community [SC]#9887496 · Moderators
86
Evil Cоrp.#35860459 · Member
79
Czonian 12th Infantry Regiment#33718061 · 5th Rifle Company
71
The Empire of Tamrielᅠᅠ#16361182 · Commoner
71
[SL] Imperial Army#5247112 · Imperial General
70
Spylia#33624776 · John Infantry
68
Czonian 14th Airborne Regiment#12281175 · Company Headquarters
66
Sauph#32548047 · Enlisted
62
Mannerheim Lodge#15095805 · Cadet
60
[:] The Wolf Eyes#7059148 · Legate
52
[SB] Senate#12708779 · Galactic High Command
47
The Nexus Foundatiоn#34302975 · Clearance L-1
46
[TAC] The Apothite Church#91231045 · Serf
44
Engines of War Official#13014271 · Legends!
42
[SL] The Mandalorian Empire#5470654 · Be’Mando'ade Cabur
40
Czonian Quartermaster#17378646 · Awaiting Payment
35
Czonian 95th Ranger Battalion#12101991 · 5th Rifle Company
35
[SB] Eternal Knights#13427068 · H3 | High Justice
33
Stellar Labs#33421827 · Tester
32
EmperorPooPoo Fan Club#12261014 · Real.
24
Czonian 7th Field Army#34985472 · Corps Personnel
22
Mannerheim Legion#33531827 · Legionnaire
20
National Paracivilian Agency#876642916 · 警佐四階 Fourth-class Agent
18
Office of Architecture#34842299 · Testers
17
Blackfox Group#35702941 · Entrant
15
FoA | Federation Of Aurelia#32925377 · Imperial Aide
14
HWG | Hayakawa Weapons Group#14345436 · Chief Executive Officer
13
Department оf Security#34669576 · Field Officer
13
< : " The Rahkunate. " : >#2875394 · [HICOM] Gorzblad Nurgal. | High Marshal
12
Celestial Approach Studios#32637289 · Wave-Primo Tester
12
III. Legion, ' Rahkun's Own '#33505355 · [CR] The Captain
12
House Harrow#33330034 · CIV | Family Friend
11
<MILITARISM SPHERE>#33860213 · Head of Militarism
10
[:] The Wolves' Blood#33826637 · Preceptor
10
House of Felbourn#33689291 · Family Friend
9
[TAC] The Church Militant#52740743 · Gros Valet
9
Shūshū-In#34312048 · [家族] Kazoku
8
Feminine Boys Royal Family#15621525 · Noble
8
Pjuun#34052072 · Jāhwam 'Ijā
8
[RPG] Guild Senate#9447526 · Vice Chair
8
The Vetrmáni Manor#863863828 · ¿ Kindred of the Manor ¿
8
Мythic Dawn#34195747 · Markyn "Council of Lords"
8
Holy League of Czonian Peasants#1045782788 · Zwolennik
6
[M.V.] The Masked of the Vetrmani#33819787 · ¿ Kindred of the Manor ¿
3
Silverweavers#33763044 · Researcher
3
IoA | 9th Infantry Brigade#32466633 · | BRIG G | Brigade General
2
IoA | 29th Regiment of Foot#32593998 · | BRIG G | Brigade General
2
IoA | 14th Regiment of Foot#14537605 · | BRIG G | Brigade General
2

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