Despite it being clear that Rex doesn't have any romantic feelings for Nia, some people make Fanfictions of the two falling in love, once Rex got realizes his romantic feelings. What they both share in common is that they are both orphans and grew up never knowing their family or never having one.Nia, is Gormotti cat eared and has a noticeable Welsh accent.Rex is an optimistic and easy-going, yet naive, young boy.Nia usually comes across as sarcastic and cynical.