Countryball

The first countryball to appear was Polandball, a cartoon character drawn in the shape of a ball with the white and red colour schemes of the Polish flag. Polandball wants to go into space but feels threatened by Germany and Russia. Soon other countryballs appeared all in the guise of different national flags. The countryball for the USA, which wears the stars and stripes and cool sunglasses, is egocentric, with no idea of anything that happens outside the USA but always ready to rush […]

Source: wiktionary

Four days earlier, a group of unidentified students covered nearly the entire tunnel with colorful messages supporting the Hong Kong protests, backing autonomy for Tibet and Taiwan, and condemning the ethnic cleansing of Uighurs in Xinjiang. One section depicted a Taiwan flag beside a countryball of Hong Kong and a flag of East Turkestan, the region from which Uighurs hail.

Source: wiktionary