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

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

When choosing or editing a gaming or anime PFP, focus on a clear silhouette and crop close to the face so details don’t get lost when it shrinks. Keep the background simple and avoid text, which gets hard to read