When picking or editing a gaming or anime PFP, focus on a clean face crop and a...

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 clean face crop and a strong silhouette so the key features stand out even small and round. Use high contrast colors and keep the background simple—avoid text or busy details