At the time of writing this wiki entry Felix does not own a E621 account. There art is authorized to be uploaded by their friend Techno Blueberry who has handled it for the time being.

They mostly create safe for work art and have many other social medias which can be found at the links below:
https://www.furaffinity.net/user/felixdadragon
https://x.com/FelixDaDragon
https://bsky.app/profile/felixdadragon.bsky.social
https://www.instagram.com/felixdadragon/

Their commission info can be found at their friend's website, here: https://www.techvulp.ca/felix