@MastermindOrNot #923671289
7 January 2019
account created (per Roblox API)
20 Aug 2026, 03:10
last measured (UTC)
Username record
@LuCaro23jf37fh — observed 20 August 2026
@MastermindOrNot — observed 20 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
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4,421,397Frost Blade Games#8605341 · Member
4,083,767[B:S] ALS Team#12229756 · Member
3,484,018Cool group for big cool people#9285211 · Pro
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1,559,274The Bruzz Group#36029920 · bruzz
1,252,972SEA Military#2648601 · [T] Trainee
1,211,544Bizarre Collective#33161040 · Member
1,027,382Devil Hunter May Cry#35791681 · Member
1,024,295AFS: Endless#361078446 · Member
966,414Jean's Bizarre Community#6356872 · Member
729,302A Mongoose Studio#3468086 · Member
576,206Anime Fighting Simulator | BZ#942260693 · Member
502,020The State of Mind#4347428 · ⭐️ Important Member
416,445Moonstone Games#8918098 · Member
392,596Archived Library#32725402 · Member
252,262Roblox Developer Community#10720185 · Developer
187,783Empire Clash Community#13025287 · Beta Tester
168,704Project: Warriors#10004759 · Member
163,647The Noobic Stratocracy#2704934 · Noobs
140,811- Old Roblox Accounts -#5995136 · 2018 / 2019
63,498Builder_Boy UGC Fashion House#13804498 · New Member
46,464Star Glitcher - Revitalized#16194276 · Member
39,148Empуrean Empire#13025393 · [LR1] Rekrut
34,245Sidereal Productions#5198042 · Fan
26,037CFront Robotics#16307759 · Beta Tester
14,600Mafia Clash Community#35589408 · Beta Tester
14,506Seryn#32936772 · Member
10,111<<SIRIUS>>#35900159 · Member
10,048AStarIsBorn#35656306 · Member
9,214Project: China#14034573 · 正式玩家
8,886 pwners for life#426137 · PWNERS
6,053mew903 games#7092115 · Fan
4,773AStarIsBorn Presents#965705112 · Member
4,481CFront Interactive#10958729 · Supporter
4,463Forge Studios#945913 · Regular
3,255SUPERBOUS#33832348 · ⭐│Second Hands
2,806Union Of Commoners#33411041 · Cadet
1,801SHCA Honorary Boosters!#10941558 · Booster
1,296somniare#35613298 · Somniator › Member
1,260Unified Greek Kingdoms#10380134 · Member
1,143Vows of the Land#34564346 · Member
412좌표 팬클럽#34133528 · 팬
357Elite Sword Fighters#73 · Skillful Fighta
265Combo#4600925 · Customers
231OrangeAutumnStudios#6461395 · Robloxian
134Luke's Fandom#33713984 · ⭐ Besties
78Miside Fan Group#33388249 · mitas
73ᴘᴏʟᴛᴇʀɢᴇɪꜱᴛ#12773631 · ✶𝐢𝐝𝐞𝐧𝐭𝐢𝐟𝐢𝐞𝐝 𝐩𝐨𝐥𝐭𝐞𝐫𝐠𝐞𝐢𝐬𝐭𝐬✶
58Hyper-beast Clothing#5671294 · ⚡Hyperbeasts⚡
56RBLX Developers Program#33414134 · Players
26some random boring group#16091543 · mini sjups
18sos i like mm2 too#6543005 · Member
18[SEA] Phantom Operations#34245201 · [VE] Voice Of The Ether
15PBO717 Games#8992752 · Gamer
10Mrtinyorbit's club#13604916 · Member
9Normal difficulty military#33783838 · Lobotomy General
6Kap's Special Forces#34419269 · Deputy Director
4Membership and rank as measured from this user’s public group list.