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

https://andresinterestingcolumns.brightsora.com/posts/why-does-my-avatar-lose-detail-when-it-gets-compressed-on-mobile-notifications

When picking or editing a gaming or anime PFP, focus on a clear silhouette and high contrast so it stands out even when small and circular. Crop so the face is centered and avoid busy backgrounds or text—it gets messy at tiny sizes