Cofinairro Robertson @Mr_Cof1 #1867039386
5 September 2020
account created (per Roblox API)
26 Aug 2026, 07:41
last measured (UTC)
Username record
@GamerRoblox_KAT — observed 26 August 2026
@Mr_Cof1 — 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)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
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24,184,625Roblox#7 · Member
13,539,916Sol's Studio#8509669 · [Gamers]
12,715,669Rumble Studios#3333298 · Fan
11,225,706The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,667Slap Battles#9950771 · BELOVED FAN <3
6,732,626Easy.gg#5774246 · Member
4,749,162Forsaken Dev Team#33548380 · Member
4,603,800Roblox Wiki#127081 · Wiki Helper
3,759,503IROC Studios Building Roleplaying Community#7064117 · Verified Gamer 🕹
3,497,123USSF - United States Special Forces#22025 · [6] Staff Sergeant
3,413,158KreekCraft Community#3072234 · Member
3,012,793Dungeon Quest by Voldex#4788489 · Member
2,817,914GamesReborn#3991320 · Fan
2,661,468BlockZone#5202664 · Member
2,511,497FGTeeV (BebabaleepBopping)#6882266 · Member
2,402,410Oh My Crazy Games#7056632 · Fan
1,985,217Mithril Games#3497226 · Member
1,786,498Lyte Interactive#5449496 · Member
1,229,275The Woods Company#454397042 · Community Member
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1,077,635Retro Dev#5264310 · Member
1,034,561Impulsive Studios#5243967 · 💥 Supporters
947,616MiniToon's Ship#7706298 · Supporter
918,316dreamy™#4266525 · Supporter
885,990Whirlpool Studio#2756366 · Fan
621,558Paradox#145163 · Members
612,154Top of The Barrel#946378404 · friend
500,731The Pizzeria Roleplay: Remastered#2773187 · Member
496,378The Axolotl Sun#5399587 · Players
439,449GMD Corporation#2707586 · Fan
422,199TenuousFlea Universe#4814485 · Supporters
389,127R6 Dances Development#12748868 · Member
386,925NK Studio#5463090 · Member
347,531MrNotSoHERO Official Group#3543123 · Members!
320,132The Berry Trilogy#487217711 · berry enjoyer
305,245QWhippy#7533978 · The people
238,132Idle Studios#13038221 · Fan
217,575Outlander Studios#5118388 · 👽 Fan
210,239Rektway#4656785 · Fans
206,452Rattlebone Studio#16595799 · Member
196,385Die of Deathians#477931471 · Member
196,162epoch ~#3174239 · 🔥community
185,031ML1 Clothing#5347402 · Members
157,749fiergames#5129626 · Member
125,050The Diamond Mafia#5219766 · 𝐒𝐥𝐢𝐠𝐡𝐭𝐲 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝 𝐃𝐢𝐚𝐦𝐨𝐧𝐝 (𝐒𝐢𝟏)
116,657The Blοx Depot#7324717 · Customer
96,974super secret bunny cult#7765801 · Member
71,554Nicknamed-Studio#12564843 · [ Member ]
60,604Simple Gamers#5365990 · bember
49,891Rib Ring#10787958 · Angel
46,364The Break Is Over#35812357 · Unemployed
41,969ONE STUDIO™#3025377 · Members
28,004gg gang fanclub#17119770 · who are you
26,383Sushi Shop Simulator ツ#5235366 · Member
22,322Filthy Weebs#3518728 · Weaboo
15,392Toy's Fun | Dreamcore | Official Group#10576801 · Member
15,381Infection testing group#7912026 · Member
13,361TTRP: Recreated#11557470 · Member
12,895Bizarro Studios#5835070 · Member
12,888The RESURGENCED Team#9334116 · Member
11,329TamaCorp#5902296 · Office worker
9,852Retro Reworks#34174939 · member
9,021GOOD Music Records#14522180 · Member
8,560Modblox#4530894 · Fan
6,884N00B MASTER YT GROUP#7749489 · Member
5,528Grimm Studio#2570122 · Fans
5,005The bunker!#859073496 · Guests
4,209Havoc Amongst Midnight#35314860 · 🌙Midnighter🌙
3,250lessoulvsworld#35856247 · Owner
2,941animators studio#916527259 · Member
2,909gg gang is in trouble#1034586487 · New Role
2,695funny people sewer#34289740 · MY FRIENDS
2,630Criminal Games#4855524 · Fan
2,086Conordev123 fan group#4447501 · 🎮Amazing🎮
1,850AquaWorld,#6056382 · Visitors
1,680Nuclear Roleplay#6887858 · Member
1,526137's workshop#6701002 · owner
1,367Freddybear Entertainment Archivists#1023395857 · Stormers
1,352Project : Destiny#9768134 · Member
1,125Luminential#6278847 · Member
850Violent Circumstances#544479268 · circumstanced
816Placeholder. TM#35234715 · ???????????????????????????????
717Outblast Games#6064048 · Interested
695poker lovers.#920876721 · Crazy ppl
659Jack's Pumpkin Patch#5343996 · the people
324Wanderer Hideout ୨୧ Partypooper Group =( Level 52#7522452 · ꒰ ﹕ ♡ 𝒫𝒶𝓇𝓉𝓎𝓅ℴℴ𝓅ℯ𝓇┆𝒟ℴ𝒸𝒾𝓁ℯ
273IntVade [ Event ]#34338593 · Object Show Fan
188=( Partpooper Clan:Outpost 68 )=#32600794 · *Wanderers/People*
186the disets2 group#3788105 · Fans😀
124NewYorkersOnly#4103112 · New yorker
106[=)] The Partygoers! [=)]#34167577 · ☆ `` Other Entities! `` ☆
79Event tournaments#4361792 · Fan
69THE PSYCOPSTHS#9626964 · Strange bois
61Fishy are friends not FOOD!!!!!!!!!!#33838068 · The children
55Bazard Studios#6674735 · 😀 Fan
51U.N.D.E.R.T.A.L.E#9280560 · ❤Good Persons❤
50Apple Co. lol#9547879 · cool-members
43COOL CATSSS#7243403 · Cats!
43GOOFY HOOFY MICKEY MOUSE MOOD#9508649 · Someone I maybe know lol
39Membership and rank as measured from this user’s public group list.