Can we use the NFT in this address as our avatar?

Not only use the NFT under the ENS address as the avatar, we also authenticate the NFT avatar. If the avatar is authentic, you can mark the avatar, such as a tick, to identify the avatar as authentic, so that ENS can Bring a sense of glory to owners of high-value NFTs.

Like this:

Which NFT projects to be certified can be decided by voting.