Bobbi Jean Piper is a first grader at "Clarence somebody or other" Elementary. She only appeared in the book Junie B., First Grader: At Last! and befriended Grace. Grace and Junie B. are no longer best friends as Grace has stopped hanging out with Junie B. because of her new friendship with Bobbi, making Junie B. annoyed and somewhat envious. They haven't talked since. Bobbi Jean Piper seems to be mean to Junie B. as of Mr. Woo telling Junie B. to sit down and she teased her causing Junie B. to shout "Bobbi Jean Piper wears a diaper!"