She has also styled the dog’s coat to match her hair.
I think the idea is that in panels two and three Nancy seems to be plotting something far sinister.
What spoils the joke a bit is that it’s an atrocious haircut for a dog, so expectations aren’t perhaps as subverted as they could be.



This reminds me of a (specific) storyline in a once-popular strip by a now-disgraced author.
Which is a good thing.
Despite this very comment proving the similarity, it’s good to know there are at least oblique ways to replace it without being clumsy about it.