@efcaptain #545034781
15 March 2018
account created (per Roblox API)
19 Sept 2026, 11:43
last measured (UTC)
Username record
@efcaptain — observed 19 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)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
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18,429,404Rumble Studios#3333298 · Fan
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9,877,660(学乱) Gakuran#416091513 · Students
7,511,762The MonkeyMan Fan Club#14765325 · Member
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4,296,340Thinking Project#1235888 · noob
4,152,436Pilot Training Club#2794513 · Fighter Pilots
3,914,789Shark Fin Studios LLC#3751488 · Sharkie
2,994,838Police Roleplay Community#4328109 · Community Member
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1,638,286The Red Army .#4802792 · Initiate
1,544,086Talent Show Group#2794002 · ⭐ 100Rep+ -Experienced
1,400,391Crush Depth#487909529 · Member
1,341,049SCP | Roleplay Community#5479038 · Roleplayer
1,275,616SEA Military#2648601 · [T] Trainee
1,211,438United States Armed Forces [USA]#3054949 · [E-0] Armed Forces Recruit
1,192,154[CUSA] United States MiIitary#4219097 · [E4] Corporal
1,163,845Stateview Correctional Facility. ∞#5025380 · Low Security Inmate
1,008,020StyLiS Studios#1103278 · Supporters
942,049Verticy Studios#32060932 · Special Forces
870,686Μilitary Simulator#4800484 · Militsiya Conscript
807,298Secondhand Studios#2748390 · Subscriber
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524,635Real Heat Studios#17385992 · 👥Member
442,027The Garrison ᅠ#13151234 · Regular Patron
412,675Project Combat#14077803 · Member
408,116Studiolo#6152542 · Member
333,157Maritime Roleplay Community#3297339 · (I) Roleplayer
265,525The Galactic Republic GRW#14625178 · Cadet
216,587BLACK ATMOS Z#10705478 · Member
192,378Multi E-Moto Games#497605840 · Member
149,793The Kinetic Abilities#6116142 · Kinetic User
148,014Universal Roblox Park & Resort#1181615 · Park Guests
133,170Trite Roleplay#13322715 · Player
109,792KF1 Karting | Official Karting League#8219964 · Karters
78,563Nextrium Interactive#2556153 · Pilot
67,466Reef Points#10922050 · Fan
53,201Blue Canopy#578103619 · Fan
34,538Universe Development's#10599582 · PLAYER [+1]
31,059RoStock Racing by GG#9032920 · Racing Fan
29,348Ride Control Studios#10736057 · [TO] Trainee Operator
23,756Roblox Operations: Siege#12471718 · Member
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10Membership and rank as measured from this user’s public group list.