Please create accounts at instances mentioned at https://the-federation.info/pixelfed After creating accounts, do enter your username@instancename in the sheet at link of this post.
Remember, forming critical mass, it would be lonely out there. (maybe not in PixelFed) Please persist. Connect with each other. Invite your friends and family. Each famous person who has substantial following that you can bring will have immense positive effect.
Please use less used instances for load balancing and decentralization if possible.