Male. Green eyes. Blue hair with red bangs. Wears a top hat. In a relationship with France, but it's an ambiguous, frenemy-like bond. (They are a couple, though.) Suited for a pirate costume due to the British Empire era. Loves black tea. Kind and calm. Uses polite speech with everyone.

Female. White eyes. Red hair on the right, blue on the left, with white bangs. Wears a beret. In a relationship with the UK, but secretly rivals. Suited for a fairy costume. (An angel costume also fits well.) Loves baguettes. Energetic.

Male. White eyes. Hair is horizontally colored: white on top, blue in the middle, and red at the tips. Wears a ushanka. Loves vodka. Usually a bit intimidating... so a zombie costume suits him well.

Male. Heterochromia (red right eye, blue left eye). White hair. Walks around with a headset around his neck. Loves all Korean food. Especially kimchi. (I love kimchi) (?) Suited for a devil costume. (Gumiho or Dokkaebi costumes also fit well.)

Male. Gold eyes. Red hair. Has one large yellow star on the right side of his head, with five small yellow stars nearby. Loves Chinese food and dim sum. (Equivalent to dumplings in Korea.) Suited for a Jiangshi costume. Ends every sentence with '~aru'.

Female. Red eyes. White hair. A cat-person with a tail and ears. Loves Japanese food. (Especially mochi and sushi.) Suited for a witch costume.