Quirks your characters always have

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Weird similarities that your characters always seem to have no matter how different they are or how much you try to avoid it.

In CoC literally ALL of my characters end up taking cocaine at some point its ridiculous. Even why i play a rabbi who's against drugs of any kind it still happens.

they're always cocky and overconfident every time without fail. That being said I feel like my one would be quite common, given the fact that a lot of us are dorks escaping into a fantasy world. a lot of them also have the initials "R L" but it's not a quirk.

All my characters seem to have high int and low wisdom. My friends say its because all my PCs are autistic

I don't try to avoid it, but my characters always take first watch.

Also I try to avoid it, but a lot of their names start with A. I've had an Alesser, Aleph, Allan, André...

Mine are usually the opposite, but I'm still called autistic.

I tend to have my characters play devils advocate in the settings they are in, but towards the common but wrong conceptions of the people.

For example, in a fantasy setting where slavery is legal, my character would be in support of slavery or have arguments as to why slaves are better off in their position then otherwise. My characters also tend to be superstitious or believe in blatantly wrong things in the setting, such that mice spontaneously generate like some medieval folklore speculated.

I do this because I think it's a shame people don't embrace or at least try to understand morality and ideas that aren't modern. Most people just play themselves, and if that's true then the very least I can do is play myself but through a medieval or fantastical lens.

I'm an expert on stuff that i know nothing and care about. More skill points i put into something more i suck at it via rolls.

All of my characters become the cute mascot of the party. Male or female I just can't help it.

They always have weird motivations or morality.
My Paladin was more concerned with freedom and second chances, but everyone only gets one. If you go back to being a bandit after saying you won’t, he’ll murder you (though he’ll be sad about it).
My Pirate Prince cares only for things that a interesting to him. Anything that isn’t an oddity is worthless.
My CoC priest was more concerned with learning spells and getting lore than treating his son fairly and not assaulting librarians.

Yes, I have been That Guy because of it, but I like to think I’ve learned to be more cohesive to the party and it’s goals.

Daddy issues. Never realized how much I relied on that trope until I started keeping character sheets as PDFs.