If Bruno clearly heard the family singing "we don't talk about Bruno", he would enjoy it
Imagine him mumbling/singing that in Casita corridors after the movie

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If Bruno clearly heard the family singing "we don't talk about Bruno", he would enjoy it
Imagine him mumbling/singing that in Casita corridors after the movie

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While Bruno's silhouette showing up behind Dolores and Mirabel during We Don't Talk About Bruno is a cool Easter Egg, if we're meant to assume that what we're seeing on screen here:
Is in any way meant to represent reality (which is, admittedly, a pretty big 'if' given the way the songs in this film tend to dip in and out of reality— but this particular scene is framed pretty naturalistically) then it suggests that, on top of his other powers, Bruno also glows in the dark, which gives us a whole other reason why the townsfolk were creeped out by him.
the only possible way to justify diavolo hanging out with the rest of the main part villains willingly is because he recognises that they somehow make him look better