@mat12139 #585375751
25 April 2018
account created (per Roblox API)
26 Sept 2026, 03:36
last measured (UTC)
Username record
@mat12139 — observed 26 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
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1,482,900Innovation Inc.#157764 · Member
1,154,126Grip Studios#32519006 · Member
451,963Twisted Official#4812298 · Fan
392,820Sandbox Engine#526116898 · Member
304,641Plasma Inc.#4192306 · Member
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201,970Reason 2 Die Community#1104933 · Members
142,228Aeronautica Community#10283802 · Pilots
49,966Project Zero Group#32719179 · Member
45,270Zeppelin Wars Official Group#7128646 · Member
32,781Vanilla Deluxe#7058501 · Melon
25,800Cheez Plox#3206627 · Devotee
21,811the mandem gaming#32758011 · Member
18,208Space Wars Official Group#16690020 · Member
16,637tower defense but bad#32714022 · Member
8,025The Amazing Laboratories#14721708 · Someone (🅱️ruh)
37Hadron Industries#36017827 · Administrative Panel
13The Rocking Ninjas#4303878 · fan
9The Turbo Build#4709285 · Admin
8Fission Security#12698955 · [MR] | Training Officer
7Group olekstro_XD#7462389 · Member
7Kartoskan Security#35494651 · Lieutenant General
5not an idiotic group#33366708 · Member
5Hadron Industries Security Team#36017828 · Commander of the Security Force
5Hadron Defence Agency#843752396 · Intern
4Die Degenerieren#15281158 · Member
4SE Interactive#34800980 · Tester
4Republic of Kartoska#35494632 · Kartoskan Minister
4Hazardous Area Combat Corps#36043673 · Colonel
4Bleed Interactive#9830637 · Community Co-Owner
3Kartoskan Star Media#12370759 · Chief Content Officer
2Fission Internal Security#16389698 · Head of Republic Security
2Membership and rank as measured from this user’s public group list.