Karsten @Jacob_cool811 #1544343368
2 April 2020
account created (per Roblox API)
21 Aug 2026, 20:37
last measured (UTC)
Username record
@Jacob_cool811 — observed 21 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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Also a member of
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19,653,931Quataun#12121240 · Member
18,394,449Current.#34852864 · Member
18,321,898Bee Swarm Simulator Club#3982592 · Member
18,236,910club XOX#8327387 · Member
8,417,80910 CCU#189692141 · Member
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7,060,479Slap Battles#9950771 · BELOVED FAN <3
6,732,638RELL World#1226491 · [Gen] 2X21
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6,257,801Splitline: World#35155002 · Member
2,503,224Names Are Not Important#8731481 · Member
1,920,621Da Hood Entertainment#4698921 · Member
1,615,926Retro Library#36090990 · Member
1,268,278CRIMCORP#4165692 · Fan
1,178,361Lucid’s UGC#32642659 · Member
990,330ZO by Voldex#10378847 · Supporters
866,186Dive Down Games#36000344 · Member
856,805Babble Games#11010524 · Fan
854,795I make random games#32925160 · Owner
829,616Frank Development#34068311 · Member
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692,289Quickly made games#34111644 · Admin
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613,702RoPro Official#8882189 · RoPro User
608,183Gang O' Fries Entertainment#9132225 · Member
505,252Project Baki#4626791 · Member
419,870Red Tree Tycoons#33865886 · Player
356,379Español.#3048126 · Dueño 👤
350,296Timeless Productions.#14462598 · Lifter
349,918Racecodex Studios#9496220 · ⭐ Member
201,404Nike#12205780 · Member
199,372Grupo Do Lord#10881060 · ⭐Anime Fans
179,081detourious#9511290 · fan
68,185Trolley Productions#7658734 · Member
55,832Hexmade Studios#7659360 · Member
51,110Gold_Z4#34685609 · Member
47,465FloatyZone YouTube#8917313 · Member
40,315Swag mode Community#10857187 · Member
38,428Myster Shop#15880352 · Developer
23,251The Argonian Empire#9195290 · Residency
21,798Seal Festival#15794777 · seal appreciators
21,581STFR - Sonoyan Games#11513002 · Player
12,695lovesosaᅠᅠ#11939108 · drip
10,770SleepyPeopleYeah#32477940 · ❖
7,549LALOL Hub#32377504 · 💜 › ServerSide
3,192Xolo's Eternal Clothing#11831985 · Member
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141The K T Sqaud#8204571 · Y’all r slow
64v!vid#9557973 · ethereal members
47Blue crop#10778928 · Member
16Membership and rank as measured from this user’s public group list.