Do you think Sasha's situation is confusing mainly because if it weren't for her the overall plot wouldn't be here?

Since many people in recent time think King Andrias is the central antagonist or secondary antagonist (by choose) and not Sasha do you think Sasha can be considered as a overarching protagonist or pivotal protagonist because she became a full redeem villain in the end of Season 2 and the beginning of Season 3?

Aldrich has little direct role in the series besides being an agent of the Core's plans.

I would argue that Andrias is the main antagonist, and both the Core and Aldrich share the role of overarching antagonist.

If Aldrich is the main antagonist, that would make Andrias the central antagonist, instead, as he plays the role of main villain throughout most of the series.

If Aldrich is the main antagonist, that would make The Core one of the two main antagonists (alongside King Aldrich) mainly because The Core has more screen time and appearances than King Aldrich.

Tbf the core is a collection of all of Amphibia's greatest minds with the beings in their act like a council of sorts, thus by technically Aldrich being part of the Core means he has as much screen time. If that makes sense to y'all.

King Aldrich was mostly in Core's head.

I'm currently thinking The Core is the main antagonist and King Aldrich is the foremost antagonist.

Aldrich is not only the only mind of the Core that is shown on screen and fleshed out as a character, he’s also the one with the most impact on the plot. His presence in the Core is the reason it had such a strong hold on Andrias, who wanted his fathers validation above everything. And Aldrich is treated as enough of a separate character from the Core even after being assimilated, so yes, Aldrich and the Core are both the main antagonists of Amphibia.

Aldrich is not only the only mind of the Core that is shown on screen and fleshed out as a character, he’s also the one with the most impact on the plot. His presence in the Core is the reason it had such a strong hold on Andrias, who wanted his fathers validation above everything. And Aldrich is treated as enough of a separate character from the Core even after being assimilated, so yes, Aldrich and the Core are both the main antagonists of Amphibia.