America/Iceland, also called AmeIce, is a rare crack pairing created by fans. Even though they have yet to interact in cannon, they were on the cover of the 3rd volume of world stars, which was pretty nice for AmeIce fans. It has a small fanbase, and a total of 62 post in the AmeIce tag on tumblr as of May 30, 2016.

People ship them because they would bond through venting about their big brothers being into magic, love, and pixie dust but along the way find love for themselves.
Fish Boiiii vs Mcnerd