When picking or editing a gaming or anime PFP, focus on a clear silhouette and...

https://wiki-cafe.win/index.php/Why_Do_Subtle_Expressions_Fail_in_Small_Profile_Icons%3F

When picking or editing a gaming or anime PFP, focus on a clear silhouette and high contrast so it stands out when small and circular. Crop close to the face to keep key details visible, and choose a simple background without text