Hey there, Bungie have received numerous reports of name changes prompted by the Server Slam, and are investigating further. Please check the following page out and use the contact form provided - it is the ban and restriction appeal form but further down it has an option to select "Bungie Name was changed" as the reason for your request. https://help.bungie.net/hc/en-us/articles/360049024492-Contact-Form-Appeal-Ban-or-Restriction