@VoidGear Yeah, I was talking about all the teenagers in this series are good looking. Not the oldies. LOL.
I get where you're coming from with Sora, but I think the main problem when comparing him to Harry Potter is that we still saw Harry have emotion and get upset over things. The Order of the Phoenix is a good example of that, when he's angry about not being made a prefect and pretty much just furious about everything in that book (for good reason, and I know a lot of it was Voldermort, but still), even if he relied on people and was glad that he did.
Compare that to Sora, and you'll see that his reactions to everything are nearly perfect every time, even when you'd think the situation would call for him to emote more.
The fact that everything in this plot somehow ties back to Sora, and is about him now (also the everyone being Sora thing) also adds to his Mary-Sueness to me.
And the fact that Nomura tries so hard to make him seem like a normal boy (and I do understand the argument for that; I do), when really the narrative and people around him kind of portrays him as the exact opposite. As Roxas said, "Sora?! Enough about Sora!" LOL.
But back to the Sora Harry Potter comparison thing, if you don't think it's fair to compare KH to just Order of the Phoenix, how about to the Deathly Hallows? When Harry gets so convinced that they should go after the Deathly Hallows instead of the horcruxes, that he stupidly says Voldermort's name, which summoned the Death Eaters there, and took them to Malfoy Manor and that whole nightmare, etc.
That was obviously a mistake of Harry's that cost everyone badly. But I feel like Sora's never held accountable for his mistakes anymore:
Him deciding to ignore data!Roxas' warning and to remember the hurt, even though that'll lead to the darkness? Roxas eventually gives in to Sora's idea, thinking that Sora's learned how to deal with the "hurt", and that he'll just do what he wants to anyway.
data!Riku was also convinced that Sora would soak all the bad stuff up, "like a sponge", but then get rid of the darkness or whatever.
Who cares about the fact that both of them have legitimate ideas that this could end badly? Gosh darnit, if Sora thinks he can do this, and it's for the best, he obviously can handle it!
Even when that doesn't prove to be the case in DDD, and his chasing the dreams almost leads to his own destruction, I still don't even think he regretted it then.
I mean, granted, we don't get to see much of Sora or his psyche after this happens--and to put others first is just classic Sora--but I'd still like to see that his mistakes matter and him maybe realize he should've tried to go about saving everyone differently somehow.
Especially when he eventually realizes that if something had happened to him, there would've been no saving any of the lost ones then.
LOL. As for Aqua, I really don't think she's a Mary-Sue. (In fact, I probably wouldn't have even thought of that idea at all if Branden from Kingdom Hearts Union hadn't stated some of his issues with Aqua's character in a recent podcast, that I did have to somewhat agree with.) She's not a Mary-Sue, but--if not handled properly--I think she possibly could become one.
At the end of the day, even if what you listed above is "flaws of Aqua's" (and even that can be argued, because I played Aqua's story first and thought her being unsure about Terra was actually spot-on the right reaction... though she actually seems to spend most of her story being his personal cheerleader, though?), she was still "right", because if Terra hadn't put himself so close to the darkness--and if Ven had just gone home, and hadn't become strong enough to become Vanitas' equal--none of BbS' tragedy would've happened.
Edit: Actually, listening to it again, that whole speech of data!Riku's to data!Sora--about how he's like a sponge, and will suck up everything that happens to him and come out better for it, and maybe even make things in general better afterwards--is very Mary-Sue like, tbh:/