What to do with a deceased Mii?

[Pyro as Bill]

Old Rock said:

I have a grandfather that passed away 2 years ago with his Mii still in my console. I think it's better if you keep it for a sort of remembrance that person has given you.  I mean, whenever he appears as an audience I always tell myself, "Ah, he's watching so I have to do my best!" or something along those lines. =P  It certainly helps me during the Swordfights in WSR.

So, if you don't mind me asking, were other family members OK with it? Will you transfer it and treat it like a keepsake?