|"Are you a wizard or not?"
The title of this article is conjectural. Although it is based on canonical information, the actual name is a conjecture and may be supplanted at any time by additional information released from canonical sources. If this occurs, please move this page to the appropriate title.
The spell to turn Scabbers yellow is a nonsensical and non-existent spell fabricated by George Weasley that could supposedly change Scabbers' fur colour to yellow, but does not have such effect, as it is entirely fictitious, and nothing would happen.
Behind the scenes
- It is also possible that the reason the spell would not work is because Scabbers was not a real rat, but was in fact Peter Pettigrew, an unregistered Animagus in disguise.