Marge: (Talking about Stampy) Gosh, I thought he'd be happier in his true habitat.
Warden: Oh, I think he is.
Marge: Then why is he attacking all those other elephants?
Warden: Well, animals are not like people, Mrs. Simpson. Some of them act badly because they've had a hard life, or have been mistreated. But, like people, some of them are just jerks--Stop that, Mr. Simpson.
(The camera pans to show Homer repeatedly head butting the warden.)