Bull

Bull
Bull represents U.k(United Kingdom). "John Bull" is a national personification of England and the United Kingdom in general. It has the U.K symbol on it's chest.

Webcomic
In webcomic, the Bull is mostly cameo. But in one chapter, the Bull is seen standing with South Stick, Eagle, and the France Rooster, luaghing at Hare.

Animated series
In the series, Bull is often seen standing next to Eagle, as if they are best buddies.