Mark Heathcliff @MarkBern73 #482172853

Username record

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)

UGC items created

UGC catalogue items this creator made, by favourites — measured, over the catalogue depth Roblox exposes.

Open data

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Also a member of

Membership and rank as measured from this user’s public group list.