Sadder @mmackert #857638544
12
followers (as measured)
12 November 2018
account created (per Roblox API)
15 Sept 2026, 18:22
last measured (UTC)
Username record
@mmackert — observed 15 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)
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