I had personalized tags for years with my nickname on it (my OTHER one - not Peaches....in fact, it's actually a nickname of a nickname for my real name. I'm SUCH a confusing person
). It was great fun! My Dad's had one since he's had a car - the same one. His name and track jersey number.
The cutest one I've seen was "BAABAA" on the back of black Jeep (Baa Baa Black Jeep
). And I used to know a girl whose Dad had invented one of the first popular video games and he had the name of it on he tag. Kaboom, I think?