Jeffery @MarshmellowJRcool #1638771565
18 May 2020
account created (per Roblox API)
29 Aug 2026, 21:14
last measured (UTC)
Username record
@MarshmellowJRcool — observed 29 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
Nosniy Games#3461453 · Fan
58,750,400Blue Lock Rivals Unofficial Fans#34671275 · Member
32,836,622Wiggity.#12836673 · Member
31,167,574Scriptbloxian Studios#4705120 · Legend
30,021,361BIG Games Pets#3959677 · Fan
29,166,050Gamer Robot Inc#4372130 · Member
19,656,334Current.#34852864 · Member
18,323,416Bee Swarm Simulator Club#3982592 · Member
18,237,177Sol's Studio#8509669 · [Gamers]
12,711,196BIG Games™#2703304 · Fan
11,256,285Rumble Studios#3333298 · Fan
11,225,999The Flamingo Fan Club#3336691 · December 5th we will all do something
9,877,782BestBunny#15150189 · Member
8,380,178Powerful Studio#5522949 · 💙┃Fan
8,062,537The Gang Stockholm#5273516 · Player
7,067,380Fisching#7381705 · Fischer
6,203,227Paradoxum Games#4914494 · Player
6,061,693Varis Studios#32421331 · Fan
5,796,735xFrozen Obbys#16908756 · Member
5,607,395Jule Games#13031751 · Member
5,264,405Shadowrise Devs#1002185259 · Member
5,138,196Kitawari#17219742 · Member
5,030,289Murder Mystery#1030692 · Innocent
4,774,643Small World Games x Anime Defenders#34121350 · Member
4,754,196Simple Bricks Zombies#396072016 · Member
4,526,071Dawn Digital#460048752 · Member
4,300,081ROLVe#2613928 · Members
4,296,040[B:S] ARX Team#15009415 · Member
4,176,927Thinking Project#1235888 · noob
4,152,446Fish Atelier#35102746 · Member
3,868,197[B:S] ALS Team#12229756 · Member
3,488,364Awesome Ninja Games#15557357 · Member
3,262,078Anime Final Quest#34258454 · Member
3,235,074HD Games.#5028964 · Fan
3,167,199KreekCraft Community#3072234 · Member
3,012,976Expeditions Entertainment#35929511 · Member
2,921,028BIG Games Super Fun#10026748 · Fan
2,899,673Dungeon Quest by Voldex#4788489 · Member
2,818,132DemonCube#32635773 · member
2,811,169GamesReborn#3991320 · Fan
2,661,592Universe Time Studio#6556072 · Universe Member
2,470,949polandgamebuilders#3732983 · 😀 Member
2,470,949MetaPlay Games#8892797 · Players
2,277,491Diligent Farmer#12877779 · Member
2,127,542Clover Retribution#15890651 · Member
2,075,062A.W. Apps#3182154 · Follower
1,998,8421v2 Studios#34287998 · 🏋️ GYM Buddy
1,846,544Mithril Games#3497226 · Member
1,786,582Pure Pure#34122479 · 50 Members
1,618,981TBlox Mini#32305181 · Member
1,584,731CL GAMES!#34644452 · Member
1,535,859Hawkie Studios#9821921 · Member
1,402,583[B:S] One Fruit Team#16132143 · Member
1,371,393No time at all#1019119471 · Member
1,364,861Star Ocean Studios#32617906 · 成员
1,363,044LudicBoss#14876045 · Membro
1,355,916AnimeReborn#33820338 · Member
1,273,360Happy Goof Games!#35854874 · Member
1,250,431Albatross Games#10249200 · Member
1,223,284RoyalFire Simulators#9793279 · Member
1,139,024Mook Studios#34310410 · 🎮Players
1,099,309InnoVision#9162125 · Fan
1,098,954ClickBytes#110427303 · Member
1,040,318Vitan Games#35012066 · Member
1,036,493Gym Trainers#13056072 · Member
1,007,957AFS: Endless#361078446 · Member
967,917Man Of The Year#5109696 · Man/Woman Of The Day
966,500Arc I: Warriors#34783288 · Member
915,067PurpleDev.#35852130 · [😎] Member
866,138No Limit Games#5542394 · Fan
814,712Pink Beard Games#5305641 · Fans
776,966RB Battles Games#6321191 · [RBB] Fan - Team RBB
761,200Insight Game#6944093 · Member
750,811TAKLA SQUAD#9546376 · Member
728,934Codesoft#5200777 · Follower
634,597LunarGames.#16230750 · 🎮Gamer
628,790Mark-6#17382040 · Member
627,940Mega Drive#3839331 · Player
459,961Bick Boizz#33889921 · Member
454,492BlueDevGroup#7040466 · Member
450,389Tofuu's Kitchen#5160947 · Member
448,338Sugar Brick Games#5783107 · Fan
436,115Cursor Makers#35881183 · Member
435,521Dev House UK#9342981 · Gamers
420,707Train ur Army!#1003047045 · Troops
419,480Blu Crew#3450277 · Member
303,269Novelty Games#5089976 · Gamers
288,650lilBIG Studio#7769478 · Member
275,455Phexonia Studios#3573124 · Member
271,291Bad Ape Games#5348713 · Supporter
248,202Ursa Major Games#10040680 · Member
242,433Cosmic Development#3751482 · Fans
184,028TeraBrite Games UGC#3157072 · Member
159,590Bloxforge X Team CB#34587773 · Member
145,478Tech Dev#5810993 · Member
143,430Boss Games.#7806823 · ⭐ Fans
139,538Tapping Studios#6628023 · Member
137,978Revolution X Club#35035208 · Member
133,008Power Simulator#4961219 · Fan
108,019Takeoff Games#8214817 · Fan
101,750Membership and rank as measured from this user’s public group list.