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

https://griffinsuniquedigests.capitaljays.com/posts/why-does-my-colorful-pfp-still-look-unclear-at-small-sizes

When picking or editing a gaming or anime PFP, focus on a clear silhouette and simple background to keep it recognizable even small. Crop tightly on the face so details don’t get lost. Avoid text—it gets messy at tiny sizes