grumpy @GrumpyDeveloper #341690198
13 July 2017
account created (per Roblox API)
9 Nov 2026, 21:36
last measured (UTC)
Username record
@GrumpyDeveloper — observed 9 November 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.
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119World Of Sword Fighting Community#14676406 · Supporters
104Fryin' Pan Studіos#15281813 · Member
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4Easy Projects#11790958 · Member
3Membership and rank as measured from this user’s public group list.