Brian @CategoryXP #3215768469

9 January 2022

account created (per Roblox API)

11 Aug 2026, 05:30

last measured (UTC)

Username record

@CategoryXP — observed 11 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)

CTA | Chicago Bus Divisions (Roblox)#32305925

City of Chicago, IL [CARP]#14836968

Village of Oak Lawn, IL#32755491

Township of Palos, Cook County [ROBLOX]#702987994

4

Chicago Fire Department [CARP]#35262708

2

Chicago Police Department (CARP)#16284840

2

Chicago Fire Department Training Division (CARP)#17135429

1

Chicago Fire Dept Office of Investigation (CARP)#17386978

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Scriptly Studios™#4345585 · ✨ Fan

the m devs#33999610 · Member

REACT Studiosᅠ#17180419 · Member

Russian Sleep Experiment Lab#453595944 · Member

Trash Avalanche#34666147 · Member

Nuget.Studios#33384824 · 😎Member

Roblox Developer Community#10720185 · Developer

Anomic Studios#5473411 · Member

Amazing Delivery Game#659117092 · Member

Sylixum#17327381 · Member

Predawn Games#6404547 · Members

Transit City#4654332 · [1] Fan

Neutron Inc#10536862 · Employee

TTC | nextGEN Technologies#5518923 · [EPS] Early Premium Supporter

Coaster Studio#34173405 · Trainee Operator

| Manager Games#32845130 · Member

MT Tech Group#7997013 · Member

First Response lnteractive#12187674 · Member

Atlantic Canada Inc#12276619 · Member(s)

CTA Community#569913 · Special Member

Chi Land Builds#4172462 · [M] Member

Clear check City Police Department#5759142 · Developer

Capts Fire Apparatus#35298461 · Customers

Californa State Roleplay I Whitelisted#238079265 · WL Members

H&C Development#687632732 · Member

Illinois Sheriff WL#35792786 · Illinois WL Member

Sanctuary Fire Equipment#35116928 · Member

Valley Springs VOL Fire Dept, MD#145678262 · Probie

Studio 2003#35985870 · Member

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