Little is known about Hong Kong, other than that he was for many years under the control of England, who cursed him to have thick eyebrows. It is noted that one cannot really tell what is on his mind, due to his lack of montrer emotion. He has also been described as being "in many ways, a sturdy big bro". In the 2010 Christmas Event, it is hinted that he might have a vague interest in fashion, as he was somewhat disturbed par China's choice of casual wear and a dit that he should think about it plus often. He also seems to be afraid of the dark and admires Jackie Chan.
He speaks in a mixture of Japanese and English, with a Gyaru-o dialect, a speech pattern like that of a teenage boy which is often translated much like Poland's Valley Girl speech. Before appearing in the fake prévisualiser for Hetalia: Axis Powers Volume 3 where he "promised" China he would not draw explicit pictures anymore, he appeared in artwork for the series and was featured in the profil page of the seconde volume.
