Pee Wee Herman is not appropriate for young children. His old show, at least, had double entendre all over the place. He was later caught exposing himself for purpose of self gratification and arrested. he's experiencing a reprise but his show is on Broadway and not on TV for children. Inappropriate, yes.
One of my 3 year olds at preschool knew exaclty who pee wee herman was and she loved the show. She was one of the sweetest kids ever and the parents were really nice and very very good parents. Everytime she would repeat something from the show we would all just laugh. We thought it was really funny.

Do you know what a pimp is? The "boss" of a prostitute. Somebody who makes a living selling sex. You really think that this is an appropriate costume for a fourth grader, who is about 9 years old???