Tweak argues a bunch, and she's kind of stubborn. Here's what she argues about with everyone. Maybe if you guys want I'll turn some of them into oneshots.
Captain Barnacles: Tweak argues with him the least. It's mainly about whether her tech is ready for a mission, or when he tells her to stop arguing with someone else. Which is a not-surprisingly common occasion.
Kwazii: Literally any time he does anything to even remotely get on her nerves, i.e. multiple times per day. Sometimes they'll just walk up to each other and insult each other because they're freaking BORED. Kwazii and Tweak can and will argue at any moment about literally any topic, be it Kwazii's driving, the use of their various skills, Tweak's hair, Tweak's addiction to carrots, Kwazii's stupidity, Tweak's stupidity and any other topic that happens to be randomly floating around. They're still in love though.
Peso: Arguments between these two can get pretty heated, and things can end in tears a lot because fights will break out when Tweak hasn't been taking care of herself, and Peso tells her to. So Tweak will be arguing in a very very fragile state of mind, and Peso will gently be reprimanding her and things will just spiral, ending with the two of them crying and hugging it out to make up.
Dashi: Okay. When Tweak and Dashi argue, really bad things can happen. The two of them are usually inseparable, so when they fight, it's like the whole Octopod is rocked to its core, like in my world tour book. Anyways, it usually all boils down to something really dramatic, like the breaking of a camera (Candy's cone snail attack book 😎) or something like a love interest (once again, my world tour book).
Shellington: These two are usually fine. A couple things can set them off, though. One, of course, is Shel's bad driving. Another is if Tweak goes a little too far with not caring about Shellington's science, and perhaps makes one unhelpful comment too far. Finally, something I'd also be interested in exploring is Shel and Tweak arguing over differing thoughts on Dashi.
Inkling: Inky and Tweakster have known each other for ages, since Tweak was technically the second Octonaut, as engineer and builder of the Octopod. These guys barely argue, but if they do, it'll just be some playful banter about the Professor's herbal tea or some old memory and what actually happened once upon a time.
Vegimals: There's only one topic that flames up between these guys and Tweak, and it's whether carrots should go into each and every recipe the Vegimals have come up with.

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Crash's book of Tweak
FanfictionAny headcanons, oneshots or doodles I have of Tweak.