Cosmo @Rtsku11 #4678555503
9
followers (as measured)
4 June 2023
account created (per Roblox API)
14 Oct 2026, 03:27
last measured (UTC)
Username record
@Rtsku11 — observed 14 October 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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142,984,407Uplift Games#295182 · Dreamer
14,923,390Grandma's Favourite Games#6042520 · Members
12,715,157Simple Bricks Trees#690489827 · Member
10,357,810BlushCrunch Studio#14576965 · Member
9,558,088Double Bandit Studios#13751258 · Bandits
6,256,636Forsaken Dev Team#33548380 · Member
4,605,939DuoBlock#12793998 · Fan
2,915,867Poisoned Things#913348212 · Candy Experimenters
2,639,843Names Are Not Important#8731481 · Member
1,920,213Gamestu#313370677 · Noob Squisher
1,824,733Meow Meow Games!#12832037 · Baddie 💅
1,415,498Retro Library#36090990 · Member
1,269,451Royale High Friendship Community#3308197 · Royale Scholars
1,132,340Blu Cat Studios#16976426 · Member
1,040,676Blend Productions#8736530 · Member
894,810Defoko's Lab#914246270 · Test Subject
869,157Dayroom Games#16732882 · Member
834,237Ultraw Games#5018665 · Member
777,060KREW DISTRICT#7553171 · Member
442,213The AFK Corner - Mega Grind Servers#852256126 · Member
414,352Solstice Developers#33533450 · ➵ Members
399,490Alpaca Games!#5055349 · 🍰 Fans
209,173Meatball Empire#870608363 · Member
148,175I Tried Atleast#8411977 · member
129,795Coco Grind Club - Adopt Me Grind Servers#35428948 · Puffie
56,430A Game About Cats#32789672 · Caretaker
55,863MrBowiieFam#36042683 · Member
11,281Vanixic#15758527 · Member
5,639Jokun's Anime UGC#35646296 · Member
522Membership and rank as measured from this user’s public group list.