No more people dressed up as food, please.

This is one of the more freaky examples.
Adfreak has a list of the top 10

I guess people can get enough of characters dressed up in big foam mascot costumes.
(I have kinda warmed up to the Jimmy Dean sausage Sun though)

Side note
Here is a fascinating tale of working on the Jimmy Dean Account by Mack Simpson over at Adverb