When choosing or editing a gaming or anime PFP, focus on a strong silhouette...

https://lima-wiki.win/index.php/What_is_a_Safe_Crop_for_Horns,_Hats,_and_Hair_in_a_Circular_Avatar%3F

When choosing or editing a gaming or anime PFP, focus on a strong silhouette and high contrast so it stays clear even small and round. Crop tightly around the face and keep the background simple to avoid clutter