Which countries make fun of each other?

Question

I know France makes fun of the Belgian, Britain makes fun of the Irish and American makes fun of the Canadian, but what others are there?

Answer 1

Rwanda makes fun of Congo.

Answer 2

hmmm.. well the rest of the world makes fun of the usa

Answer 3

Australians jokingly make fun of New Zealanders and they jokingly give it back.

Answer 4

Everyone in the UK bloody well hates each other.

The UK also hates the US

and Lithuania hates the Russians (FOR obvious and correct reasons!)