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

https://highstylife.com/how-do-i-turn-a-detailed-game-artwork-into-a-clean-profile-icon/

When picking or editing a gaming or anime PFP, focus on a clear silhouette and crop tightly around the face. Keep backgrounds simple to avoid clutter, and skip any text—it usually disappears at small sizes