Petr @PetrHav #160916901
10 September 2016
account created (per Roblox API)
5 Sept 2026, 07:55
last measured (UTC)
Username record
@PetrHav — observed 5 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)
Petr's Wing#34056316
47Tereldské Království#16366819
21Tereldské Království [Medieval]#36056532
8USS FOX#34424163
4USS SPARTA#34424359
3Táborský Svaz#35716584
3USS LUNA#34058140
3United Mercenary Camp#33093284
2USS WOLF#34437312
2USS LEONIDAS#34058259
2Žatecko-lounský svaz#35707428
2USS COMET#34485320
2Sirotčí svaz#35728718
1USS PEGASUS#34424362
1Tereldské Království - Královská Rodina#35999748
1[UEA] - Československý Stát#169190992
1Táborský Svaz - Hradiště Hory Tábor#36061343
1USS OWL#34058255
1Husitská Koalice#35715558
1USS NIGHT SKY#34485316
1Orebité#35728715
1Pražský svaz#35728470
1USS ROMA#34058177
1Střela#35955021
1[UEA] - UEA International Space Fleet#1080601762
1USS SWAN#34424349
1USS SUN#34058236
1[UEA] - United Earth Alliance#157831506
1Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
Sonar Studios#2919215 · 🕹️Sonarian
18,802,390Yellowstone Unleashed#11010141 · Member
402,918Mega Studiosᅠ#33384332 · Fan
361,887Empire Clash Community#13025287 · Community Member
168,658Dinosaur Simulator#2564897 · Member
154,419Game About Kingdoms#1111685284 · King
101,400Code Noob Productions#4308278 · Beta (Wave 2)
94,490Crunchy Orc#33161550 · Member
84,111Crunchy Orc Casual#33976406 · Member
67,426Marque of War#8318537 · Community Member
52,219BottomG Games#33843555 · Sailor
34,263Waterloo at home Community#32979394 · Supporter
30,588Overseer Commune#13025403 · Pending
22,080Realms Of The Ring#4010189 · Wanderer
17,568Amazonian Survival#33939365 · Member
13,665Victoria aut Mors#7776440 · Member
11,532Nippon#895913 · Villagers
10,178Ex Astris#34369324 · Galactic Conquerer
8,287Ad Mortеm#15330906 · Participant
6,846Gаllаntry#6235047 · Participant
5,301The Questionableworks#32530172 · Member
4,866ΕΜΡIRΕ FRΑΝÇΑIS#3208729 · Soldat
3,967Аntiquitas#4688794 · Legacy Supporter
2,202Kаisеrliсh-Кöniglichе Аrmее#35723045 · Gemeiner
2,044Project Artemis Community#12557007 · Lieutenant
1,951Königlich Baiersche-Armée#34484882 · Placeholder
1,583Pike and Shot Europe#3132089 · Participant
722〔The Old Republic〕#2804811 · Captain
617CoV I Chronicles of Valandia#34590653 · Travelers
538Zwеitе Korpsᅠᅠ#733086545 · Soldat
484Rivendеll#759121 · Maethor Authangren
422Faithbound Community#12766045 · Participants
327Thirty Years' Warᅠᅠ#34456784 · Community Member
183Mergor Fan group#4531538 · Private
173České Κrálovství#12616147 · Svobodník
102Princedom of Dol Amroth#13859100 · Citizen of Dol Amroth
97Neo-RCOM | Neo-Royal Company of Militia#5081195 · Sergeant Major
90Saika Confederation#15135025 · Insurgents | 反徒
74Kirschner Family#10027587 · Knight
43The Holy Bacons#11230219 · MR
29Legio V - Alaudae#33114232 · -- Miles --
21The Mergorlandian Pact#4898008 · Supporter
18Wachi Family#32631865 · Inner Circle - Regular warrior of the Wachi
16Ria's little fans <3#34866412 · Little fan💕
11Makky's group#16004530 · Member
9Mergorlandian Royal Navy#5059299 · Captain
5USS ATLAS#34500386 · Comodore (command)
2Membership and rank as measured from this user’s public group list.