Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation

grumpy @GrumpyDeveloper #341690198

13 July 2017
account created (per Roblox API)
9 Nov 2026, 21:36
last measured (UTC)

Username record

@GrumpyDeveloper — observed 9 November 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

LSPLASH#3049798 · you guys
24,214,107
Double Bandit Studios#13751258 · Bandits
6,255,387
Easy.gg#5774246 · Member
4,752,073
ROLVe#2613928 · Members
4,297,078
Roblox Building Roleplaying Construcción#10692800 · ⭐️ Owner
3,410,954
The Red Army .#4802792 · Initiate
1,545,886
United States Army    #3108077 · [E1] Private (Basic Combat Training)
1,467,183
United States Military 1960s ᅠ ᅠ#3454445 · E1
959,579
Μilitary Simulator#4800484 · Red Army Conscript
807,020
MangoPool#7420855 · Owner
326,745
Naval Roleplay Community#3534363 · Air-Sea Rescue Service
257,968
Laughability#3950361 · Bember
205,019
KonekoKitten's Official Fan Club#4332797 · Kitten
183,880
Chicago 1949#3246817 · Citizen
138,478
Winds of Fortune#12567619 · Landlubber
122,454
Moon Animator#5677095 · 🔸 Member
79,679
Sonic World Adventure Project#4068220 · Member
72,302
Nation Roleplay#9823601 · Previous Group Members
7,856
KönigƖich Prеußischе Armее#4979820 · Rekrut
7,176
TR3NCHERZ#11838211 · Member
5,775
Nations Roleplay Staff#13768297 · Visitor
1,671
lights'#7212228 · angels
1,408
The Coke Empire#5382963 · I LR I Private Second Class📗
770
Wes Studios#12847864 · Engineer
247
Timelinx Games#14744538 · Player
210
The SMRU Project#14002890 · Member
184
spy agency#193556 · Private
119
World Of Sword Fighting Community#14676406 · Supporters
104
Fryin' Pan Studіos#15281813 · Member
97
zigma HQ#7808033 · Elite Admins
69
GrumpyCat Studios#7351660 · big rank
60
PowerWork#9852405 · Alpha
33
Awakened Legends Official Group#8955829 · Member
20
BrickDevs Studio#9388668 · George
19
King Rose#10254010 · Newbie
11
StitchDeGlitch Studio#10163407 · 💚 Member
10
The chill hots#6777259 · Main developer
6
ur mom is dead today heheh#11373615 · Member
4
Easy Projects#11790958 · Member
3

Membership and rank as measured from this user’s public group list.