When choosing or editing a gaming or anime PFP, make sure the silhouette is...

https://purepfp.com/why-bold-game-characters-remain-recognisable-in-tiny-profile-icons/

When choosing or editing a gaming or anime PFP, make sure the silhouette is clear and simple—that helps it stand out even when tiny. Crop close to the face to keep the main details visible, and go for a clean, simple background with good contrast