ultimatesharks21 @UltimateSharks21 #831516078
23 October 2018
account created (per Roblox API)
4 Sept 2026, 22:02
last measured (UTC)
Username record
@UltimateSharks21 — observed 4 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
Wiggity.#12836673 · Member
31,231,052LSPLASH#3049798 · you guys
24,196,484Chillz Studios#2782840 · 🌟Royal Member🌟
18,681,145Bee Swarm Simulator Club#3982592 · Member
18,239,540BIG Games™#2703304 · Fan
11,255,266⨯ Small World Games#17140361 · Goof
10,100,577Car Crushers Community#2726951 · Skilled Crusher
8,649,197BestBunny#15150189 · Member
8,377,211ROLVe#2613928 · Members
4,296,398Badimo#3059674 · Member
3,513,049LDS Fighting#12780439 · Genin
3,276,702FORTUNE 777#32357834 · Member
3,130,365Universe Time Studio#6556072 · Universe Member
2,472,589PlayCombatWarriors#5192826 · Combat Warrior
1,203,854Beacon Studio#2589590 · Fans
1,149,836TS Industries.#14215552 · Member
1,092,633Small World Games - Tycoons!#11268456 · Member
1,053,05135px#34369315 · Supporter
980,968·InVision Games#10861603 · Member
958,692StyLiS Studios#1103278 · Supporters
942,064Babble Games#11010524 · Fan
854,490Extreme Funs#32428991 · Friend
685,690Spooky Scary Games#8775959 · 📷Experienced Ghost Hunter
562,915Team Blue Monkey#16210277 · Blue Monkey
332,877Mage // Tycoon#16491165 · Fan
257,609Anime Roulette#33885178 · Supporters
250,773Abysmal Covenant#1014009190 · Member
225,522Be a Parkour Ninja#3314315 · Member
138,466Iron Boar#14385732 · Member
115,794Get Eaten!#5953984 · Potato
39,649Menacing Entertainment#17244921 · Players
31,611Hermano's Literature Club#9453146 · Member
18,232• [SCPF] 275 •#15068286 · Class-Disposable
385El-op-ant Sanctuary#11188581 · Elopant Civilian
9Ultimate Sharks#4435824 · Member
7Membership and rank as measured from this user’s public group list.