Killxrz @21thKillerz #1687894488
11 June 2020
account created (per Roblox API)
11 Aug 2026, 11:28
last measured (UTC)
Username record
@21thKillerz — 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)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
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29,164,491Sonar Studios#2919215 · 🕹️Sonarian
18,846,813|GAR| Grand Army of the Republic |#5214183 · Sergeant
1,731,285[CUSA] United States MiIitary#4219097 · [E6] Staff Sergeant
1,166,164NFL Universe Football by Voldex#2894777 · Player
1,076,908Tha Bronx (RP)#15022380 · Member
634,433Official Palm Beach Studios#17028435 · Member
492,050Mudrock Studios#33433447 · Paranormal Task Force
282,632Sandy Shores | DOJ-RP#10855191 · Member
183,414Kingerman Creations#4261320 · Member
120,112FractalReality#11666030 · MEMBER
109,102Mikami Studios#34178286 · Member
43,981|| Imperial Armada ||#2654474 · [LCPL] Lance Corporal
36,312NYPD - Tha Bronx#16324260 · Suspended
28,770Snow Core#5665804 · {II} Trooper
27,522PNEUMA:DEV#15216379 · Player
23,295Reign of Royales#5540551 · [5] Pillager
18,712-CUSA- United States of America#4810326 · Immigrant
16,950RAC V3 2024#12349860 · Member
7,751Insurgеnt Ascension Program#12434378 · Enlist
7,448Solar Militarum#9138660 · Enlist
3,959#ASTRO#8927339 · 🚀 | astro
3,009The Grand Union of Frostaria#6870149 · [1] Conscript
2,474Phoenix Imperial#1128384 · LR | Munifex
2,465[GAR] Raider Community Hub#16966219 · Raider
2,027Nation of Glacia#6394711 · {G} Glacian
1,786Russiαn Αrmed Forces#32331425 · Conscript
1,434Imperialis Munitorum#8052008 · Pending Funds
1,310Frigid#959550 · Disciple
649Frizium#1214620 · [-] Divulsii
241‹※ Myth ※›#465503 · Conscript
102Bronx Bounty Hunters#16443652 · Bounty Hunter
67|~| WRAITH |~|#13510793 · Private
15Membership and rank as measured from this user’s public group list.