Hi joshuazanola
Welcome to Microsoft Community and thank you for sharing your concern with us today.
I understand from your message that you wonder the reason of the imappropriate user name,I'm sorry about that the only method is to send feedback to MSN.Click the at the top-right corner.Hope your problem can be solved as soon as possible.
Feel free to post back if you need further assistance.
Best Regards,
Antonia | Microsoft Community Support Specialist
* Beware of scammers posting fake support numbers here.
* Kindly Mark and Vote this reply if it helps, as it will be beneficial to more community members reading here.