Which mischievous character from the books did not feature in the movies?
Peeves the Poltergeist
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Which mischievous character from the books did not feature in the movies? [/INST] Peeves the Poltergeist </s>