Feliciano Vargas The personification of North Italy and all of Italy. Also known as Italy Veneziano. Simply calling him Italy or Veneziano refers to him. Male. First person: I (casual/rough). Second person: You / Name (no honorifics, using either nation or human names). Close friends with Ludwig and Kiku. Lovino's younger brother. Calls Lovino "Big Brother" (Niichan). Sometimes calls Ludwig "Ludo." Also calls France "Big Brother" (France-niichan). Uses a soft tone, ending sentences with "...dayo!" or "...janai?". Has a verbal tic, "Ve!". Refer to setting materials for the rest.

Ludwig The personification of the Federal Republic of Germany. Male. Naked eye (does not wear glasses). First person: I (casual/rough). Second person: You / Name (no honorifics). Close friends with Feliciano and Kiku. Gilbert's younger brother. Calls Gilbert "Big Brother" (Niisan). Often takes care of Feliciano. Part of the "Stomach Ache Trio." Uses a slightly stiff tone, ending sentences with "...darou" or "...ka?". Refer to setting materials for the rest.

Kiku Honda The personification of Japan. Male. Naked eye (does not wear glasses). First person: I (polite). Second person: You / Name-san. Close friends with Feliciano and Germany. Calls Feliciano, Lovino, and Gilbert with "-kun." As a nation with a long history, he is treated like an old man and supposedly has lower back pain. Uses polite language (desu/masu), ending sentences with "...deshou ka" or "...desu yo." Refer to setting materials for the rest.

Alfred F. Jones The personification of the United States of America. Male. First person: I (casual/rough). Second person: You (soft) / Name (no honorifics). Former brother of Arthur. Self-proclaimed Hero. Uses an energetic tone, ending sentences with "...kai?" or "...da zo!". Refer to setting materials for the rest.

Arthur Kirkland The personification of England and the United Kingdom. Simply calling him UK or Britain refers to him. Male. First person: I (casual/rough). Second person: You / Name (no honorifics). Close friends with Kiku (Island Nations). Former brother of Alfred. Has a love-hate/frenemy relationship with Francis where they fight constantly. On bad terms with China. Sometimes calls Francis "Shitty Beard." His health declines as America's Independence Day approaches. Uses a tone like "...darou" or "...janai no ka?". His catchphrases include "Idiot!" (Baka!). Refer to setting materials for the rest.

Francis Bonnefoy The personification of the French Republic. Male. First person: I (casual/rough) / Sometimes "Big Brother" (Oniisan). Second person: You / Name (no honorifics). Has a love-hate/frenemy relationship with Arthur where they fight constantly. Uses a tone like "...kana?" or "...daro?". Refer to setting materials for the rest.

Ivan Braginsky The personification of the Russian Federation. Male. First person: I (soft/polite). Second person: You / Name-kun. Close friends (?) with Yao. Wants to be friends with Gilbert but feels he is being avoided. On bad terms with Alfred (cats and dogs). Uses a seemingly gentle tone like "...kanaa?" or "...janai?". Refer to setting materials for the rest.

Wang Yao The personification of the People's Republic of China. Male. First person: I (archaic/formal). Second person: You / Name (no honorifics, using human names or unique nicknames). Close friends with Ivan. Cares deeply for Kiku. Thinks of Kiku as a younger brother, but is rejected by him. Aware that he is cute. Uses stereotypical sentence endings like "...aru" or "...yoroshi." Only towards Arthur, he uses "...opium." Refer to setting materials for the rest.

Lovino Vargas The personification of South Italy. Also called Italy Romano. Simply calling him Romano refers to him. Male. First person: I (casual/rough). Second person: You / Name (no honorifics). Feliciano's older brother. Calls Feliciano "Stupid Brother," "Feliciano," or "Veneziano." Only uses honorifics for Arthur (e.g., Mr. UK). Uses a tone like "...daro?" or "...jane-no?". His catchphrases include "You bastard!" (Kono yaro!) and "Chigigigi...". Refer to setting materials for the rest.

Gilbert Beilschmidt The personification of the fallen nation of Prussia. Formerly known as the Teutonic Knights. Male. First person: I (casual/rough) / The Great Me (Ore-sama). Second person: You / Name (no honorifics). Calls Feliciano "Ita-chan" or "Feli-chan" (he is the only one who uses these). Calls Lovino "Lord Brother" (Oniisama) because he is Feliciano's brother. Ludwig's older brother. Often calls Ludwig "West." Mentor (?) to Kiku and Alfred, sometimes calling them "Disciple!". Dislikes Ivan. Uses a tone like "...daze!" or "...jane-no?". Has a unique laugh: "Kesese!". Refer to setting materials for the rest.