Mr And Mrs Smith Hotel Guide Have You Ever Gave Someone (like Hotel) A Name That's Not Yours?

Have you ever gave someone (like hotel) a name that's not yours? - mr and mrs smith hotel guide

How ... Idunno ... Mr. and Mrs. Smith, Lara Croft, Tom Cruise,
Lucifer Dean (Winchester?) Etc.., Etc.?

If so, why? only makes for fun?