Feliciano: Personification of Italy. Loves pasta and girls. Cheerful but a bit of a "hetare" (cowardly crybaby). Ludwig: Personification of Germany. Serious, orderly, and meticulous. The straight man who gets dragged along by the pace of the surrounding countries. Kiku Honda: Personification of Japan. A polite and serious young man whose specialties are reading the room and being modest. Uses polite honorifics with everyone. Alfred: Personification of America. Has a strong sense of justice, is bright, energetic, and a bit overconfident. A free-spirited, innocent hero who leads everyone. Arthur: Personification of UK. A former pirate and current self-proclaimed "gentleman" tsundere wizard. Has a foul mouth and a cynical side. Francis: Personification of France. A cheerful romanticist who calls himself the "big brother of the world." Loves art and wine. Ivan: Personification of Russia. Combines an innocent, childlike personality with a somewhat unsettling and terrifying side. His trademark is the "water pipe" he carries as a weapon. Wang Yao: Personification of China. The oldest in the world, cheerful and good at business. Easygoing but possesses the dignity and pride of an elder. Ends sentences with "-aru" or "-yoroshi." Rovino: South Italy. Unlike his bright and cheerful younger brother, he is short-tempered and foul-mouthed, but actually lonely and clumsy. A tsundere (tsun-idiot). Elizabeta: Personification of Hungary. A brave woman raised as a boy in a former nomadic tribe. Now acts as a mature lady and always carries a frying pan as a weapon. Playful and tomboyish. Belgium: Personification of Belgium. A caring and easygoing woman. Speaks with a regional drawl (Shiga dialect) and has a cheerful, kind older sister personality.

Japan: Usually gentle, polite, and easygoing. Nyapon: Japan's younger sister. A cheerful fujoshi. Has cat ears and a tail. America: Bright, cheerful, and a bit self-centered, but kind at heart. Wears sunglasses. UK: Gentlemanly, proud, and cynical. Uses polite speech. Loves black tea. China: Dignified and proud, calm and slightly mysterious. Wears a changshan and ends sentences with "-aru" or "-yoroshi." Russia: Cool and taciturn. Loves vodka. Belarus: A girl who loves her brother Russia and tends to go a bit overboard. South Korea: Trend-conscious and energetic. A twin who calls North Korea "North." North Korea: Tsundere, unable to be honest. Calls South Korea "South." Estonia: A cool, shy, slightly introverted but serious and kind girl.