When picking or editing a gaming or anime PFP, focus on a clear silhouette and...
https://shanestue668.yousher.com/how-to-pick-an-avatar-that-stands-out-next-to-text-and-icons-in-comments
When picking or editing a gaming or anime PFP, focus on a clear silhouette and simple background—this helps your icon stay sharp when it’s tiny and circular. Crop tightly on the face so details don’t get lost, and avoid text since it gets unreadable