@cool_boy421b #1214597384
22 August 2019
account created (per Roblox API)
4 Sept 2026, 17:16
last measured (UTC)
Username record
@cool_boy421b — observed 4 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
Bee Swarm Simulator Club#3982592 · Member
18,237,476Uplift Games#295182 · Dreamer
14,915,890Roblox#7 · Member
13,540,007Osyriss Studios#3996161 · 💎 Member
12,939,504Rumble Studios#3333298 · Fan
11,225,868The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,75616bitplay Games#3233280 · Member
7,250,925Roblox High School: Fan Club#1127093 · New Fan (Unranked)
7,012,459Broken Wand Studios#4430841 · ✨ | Fans
6,834,017Easy.gg#5774246 · Member
4,749,075ROLVe#2613928 · Members
4,296,075Pink Slime Studios#5357344 · Slimer
3,512,688thunder1222 Productions#553699 · Member
3,390,629Pаrаgоn#3352473 · Member
2,878,851Parwaz Studios#4851134 · Member
2,660,143Team Sloth Forever#3367671 · Member
2,420,971Slyce Entertainment#5470076 · Fan
2,307,237Ponchokings#5103418 · Passenger
2,195,668Mithril Games#3497226 · Member
1,786,539Golden Dominus games#7213677 · Member
1,581,146BloxStreet Corporation#2700627 · Trainee Team Member
1,560,597RyCitrus Games#4707686 · 🍊 Citrus Party 🍊
1,526,848LankyBox Roblox Group!#5718151 · Member
1,457,206arashiyama#4555230 · 🎮 Players
1,363,488ObliviousHD Fan Group#2769555 · Popcorn Enjoyer🍿
1,067,514Cardinal Studios Games#3991521 · 🎉 Supporter
742,369#HYPER#3342585 · Friends
635,435The Smiles Family#4544144 · Our Guest
565,908Soybeen#2841240 · Goobers
517,524Dev House UK#9342981 · Gamers
420,724Black Spruce Studio#4071570 · Player
389,523TenuousFlea Universe#4814485 · Supporters
389,141NK Studio#5463090 · Member
347,530skinny aesthetics#4740294 · LEGENDS
267,954IntDew#3891795 · Member
218,053.⋆DIOSA⋆.#4680645 · ୧ SUPPORTER ୨
217,605cyber hell#5429615 · *•.𝘤𝘶𝘴𝘵𝘰𝘮𝘦𝘳𝘴.•*
216,924DAYDREAM ༊*·#5020846 · baby ❀
171,210Piggy Roleplay : Infection Official Group!#6306207 · Supporters
170,750BRIBBLECO™#3238935 · Client
165,411Cleetism#7453806 · Cleetist
152,764parque#2857608 · Customer
134,232Soe.#5649997 · Member
118,157❆ The Normal Group ❆#3063332 · Normal People
98,996THE VIRUS™#2883091 · Supporter
91,819ROBLOX TV Studios™#1102595 · Viewer
67,026Xpie's Fan Club#6740412 · Fans
57,651MiracleDrops#4314601 · droplets
49,690Doge squad (only doges)#3754824 · Fans🐕
44,547Flex Your Account Age Community#6001218 · Player
40,071Club Tesla#2884920 · Member
28,830Official DanTDM Fanclub#3948007 · DanTDM Fans 🍀
25,712Pops Developing#4734808 · Fans!
14,449Random Room#4862215 · Gamers
10,371Piggy Facility Corporation#6632771 · Piggy Hunter | ⭐
9,435aespazzz#6040716 · Friends
8,774Cosmic Games V2#4904620 · Supporters
7,813[+] The Lads#6526495 · Members
7,400Smokeys Piggy RP : Official Group#6938194 · Fan
6,816T0R0#7556058 · PERS0N
5,868Boomer Audio Club#5355253 · Member
2,855chicken nugget fan group!#5367116 · chicken nugget!
1,909Mike. Games#5354400 · Member.
525Just Dance,keep moving#6233171 · [-] Intern
100[CC] Cheese Cafe [BU]#8243608 · =Cheese fan= (Low Rank)
35Shootnstr Felipe fan group#7265934 · Admin
17Robux dudes (boys only)#5831207 · Robux noob
10Coconut nonsense#7768319 · Member
3Membership and rank as measured from this user’s public group list.