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

https://dlf-ne.org/how-do-i-crop-an-anime-pfp-so-the-face-stays-readable-in-a-circle/

When picking or editing a gaming or anime PFP, focus on a strong silhouette and high contrast to keep it clear at small sizes. Crop the face close for better recognition, and use a simple background to avoid distractions