SirJack @JackMater666 #938509739
21 January 2019
account created (per Roblox API)
26 Aug 2026, 21:34
last measured (UTC)
Username record
@JackMater666 — observed 26 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)
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Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
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1,794,578kenami#5134082 · 🎮Player
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937,705Find the Badges!#13444552 · Member
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669,893Quarantine Roleplay Community#6448240 · Community Member
613,200Official Team Turtle#3329643 · Team Turtle
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426,422lilBIG Studio#7769478 · Member
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156,982Pationate Studios#15941375 · Member
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93,392Save LandonRB!#3800152 · Member
84,323Y.R.N Ent#5773510 · 🏝️Community™ 10+ Purchases
37,109Crown Of O's#10716870 · Member
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5,005Cup's Bacon Army#5083694 · Rookie Bacon
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57Jeff The Cool Studio#13696948 · The Coolest Members
3634★CHEAP CLOTHING★<>#3833296 · Member
8Robux bro+Youtuber#5141852 · Admin
6GAMINGWITHJACK#5274759 · ----Member-----
5Membership and rank as measured from this user’s public group list.