A Ghoul Task Force exists at the Department for the Regulation and Control of Magical Creatures to remove ghouls from dwellings that have passed into Muggle hands, but in wizarding families the ghoul often becomes a talking point or even a family pet. - Fantastic Beasts and Where to Find Them. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The main difference between a Knarl and a hedgehog seems to be general decorum: if a Muggle leaves food out for a Knarl, it'll mercilessly wreck your garden in gratitude. During the 1988-1989 school year, Barnaby wanted Knarl to be Jacob's sibling's co-star in the . Knarls have often caused Muggle children to be accused of vandalism by the mess they create.