It's a Naminé pin. The artist is Fanmuimui(https://www.instagram.com/fanmuimui_)

It's a Leo kitty button. The artist is Hanaekoart(https://www.instagram.com/hanaekoart)

It's a Kairi and Sora button for Final Mix: A Kingdom Hearts Cookbook. The artist is ????(????)

It's a Xion button. The artist is FauxyDoodles(https://x.com/TheFauxsynder)

It's a Roxas button. The artist is FauxyDoodles(https://x.com/TheFauxsynder)

©repth