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@MonstahMash

Karr @MonstahMash #1084638163

19 May 2019
account created (per Roblox API)
16 Sept 2026, 19:50
last measured (UTC)

Username record

@MonstahMash — observed 16 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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(学乱) Gakuran#416091513 · Students
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Roblox High School: Fan Club#1127093 · New Fan (Unranked)
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Shyfoox Studios#2969540 · Foox
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best tycoons studio#33447943 · Owner
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Biodegradable Inc.#15941331 · Sprout Agent
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Lyte Interactive#5449496 · Member
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WarriorCatsRP#2650756 · 🐾Member
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DoubleAce Games#12743170 · 🏅Member
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Blox Studiо#4843020 · Member
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GET ON THE BUS GAMES#16208015 · wheels that go round and round
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Top of The Barrel#946378404 · friend
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Round 2 NYC#7498332 · [☆] Kommunity | 10+ Purchases
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Simple Bricks Races#34481178 · Member
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Creative Storms#7105773 · Member
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RobeatsDev#3155023 · Fan
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Codrop Studio#15553867 · 🎮・Player
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Temple of Brickbattle#3397136 · [0] Follower
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Idle Studios#13038221 · Fan
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Splashing Studioz#33986149 · Member
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2000Dolls#14948237 · Dolls ☆
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KonekoKitten's Official Fan Club#4332797 · Kitten
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The BreadFam#3372104 · Breadfam 🍞
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Tycoon RNG 99#12115267 · Passenger
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With Tag#750838132 · thrifter
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Hot Topic#15966394 · Member
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archiest#12996757 · ark
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godsfavorite#17144178 · afterlife
23,867
ANGELPHILIA ピンクのつぼみたち#35992277 · かわいい
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Synos#15640615 · Member
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OFFICE SIMULATOR INC#10562923 · huge loser
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Bloxburg News#3151856 · Supporter
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Cradle's Outlet#33541696 · 💎 #ICE PACKERS !
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Aqua Wolves#3366845 · Scientists
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fflxrii#11116950 · Member
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Membership and rank as measured from this user’s public group list.