you could certainly have an NFT made up of other NFTs. For example an avatar where the individual traits (hair,clothes, expression, accessories) are all NFTs, s

you could certainly have an NFT made up of other NFTs. For example an avatar where the individual traits (hair,clothes, expression, accessories) are all NFTs, so potentially you have artist A making the traits and artist B putting them together. You ultimately could do this with all sorts of more interesting objects