The original Pokémon games
did have dithering on the trainer sprites...
I like the new lab coat buttons, they read like differently sized rectangles before.
The new pants are pretty messy! You should have shade from the coat, and remove the nonsense ones
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I also like the new hair, but it doesn't look very good with all the defined hairlines (a bit too much detail)
You should go middle ground on that, I think
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