Charon has never really been insufferable-- he's just really really easy to poke fun at and so it's kinda fun to do that if you want to create some quick and easy drama.
Like this isn't really a jp thing this is just "people goad him for reactions because he's so think skinned" thing. And I say that as someone who routinely used to do that. I'm not gonna say I'm a better person now I just got bored of it.
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No problem!
This is a cute and pop genocide of love!