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

https://dlf-ne.org/why-do-subtle-expressions-fail-in-small-profile-icons/

When picking or editing your gaming or anime PFP, focus on a clear silhouette and high contrast to make sure it stands out as a tiny circle. Crop close to the face and keep the background simple—avoid text or busy details