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

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 strong silhouette and clear face crop so it’s readable even super small. Keep the background simple—no busy details or text—and test how it looks in both light and dark modes