The Lorax has opened the way for a flood of other characters from children's literature to become product spokespeople. Here are a few that may be in the works.
Picture books, while less in word count, are certainly not less important. There are unbelievably skillful authors writing in this vein. Authors like Jane O'Connor and Jon Scieszka. I've said it before and I'll say it again: writing picture books is an art, the art of word choice.