Has there ever been a more detestable on-screen family who didn’t ultimately turn out to be the villains of the story?

I literally block the Gursleys out whenever i remember “Harry Potter”! Ell oh ell! I forget that they’re even part of the story until i start one of the movies. My dander instantly rises! UGH!
All three of them are absolutely horrid. Can you think of another family more unlikable than the Gursleys? They can’t be the ultimate villains though. Just a deplorable group of secondary characters.
Has there ever been a more detestable on-screen family who didn’t ultimately turn out to be the villains of the story?
Has there ever been a more detestable on-screen family who didn’t ultimately turn out to be the villains of the story?
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