If you are visiting me you will be forced to make an ugly Mii via the Wii U cam.
I dont make the rules
[Nintendo Switch 2 System Update]
You can now share Miis via QR codes in version 23.0.0! You will need a USB camera to scan codes.
QR codes created on Wii U and Nintendo 3DS are also supported.
(thanks shutterbug2000)