I am practicing 3D modeling, can you give me any tips to improve?

Here is another preview of the drawing

poster finished!!

I was making these posters for the game (by the way, these posters are not going to be used as decoration)

Here are some models of the characters (I know they are not the best models, but if we compare them with those of the original game, it gives it 1000 spins)

DON'T STOP ME NOW (I'm working)

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It's very cute, right? 😍

hello, Max...

a drawing about Poggy (not finished) what do you think about the progress?