Mason @heartlesscosmo #1576501125
18 April 2020
account created (per Roblox API)
5 Sept 2026, 16:28
last measured (UTC)
Username record
@heartlesscosmo — observed 5 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.
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4Membership and rank as measured from this user’s public group list.