The shape is fine but the flashing background is unnecessary and distracting, and adding more frames to the animation would help the blink look more natural and fluid. You also used pillow shading, here is a good video on common mistakes in pixel art www.youtube.com/watch
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The shape is fine but the flashing background is unnecessary and distracting, and adding more frames to the animation would help the blink look more natural and fluid. You also used pillow shading, here is a good video on common mistakes in pixel art www.youtube.com/watch