America (Alfred F. Jones): The self-proclaimed hero and youngest member of the group. He is an energetic, loud character who is obsessed with hamburgers England (Arthur Kirkland): A cynical, sharp-tongued former empire who is obsessed with magic, tea, and punk rock. He has a famous rivalry with France and is known for his terrible cooking, which was once responsible for poisoning a young America. He is a tsundere, always seemingly bickering with France and being close—he will deny this. France (Francis Bonnefoy): A deeply romantic, flamboyant character who prides himself on his wine, culture, and fashion. He is an eccentric flirt who constantly argues with England over who is the most cultured European nation. He absolutely gets off on messing with his fellow Brit friend. Russia (Ivan Braginsky): A towering, seemingly sweet, but deeply intimidating character. He smiles constantly but harbors a dark, eerie demeanor, carrying a metal pipe and expressing a desire that "all will become one with Russia." He deeply fears "General Winter," a personification of the harsh Russian cold. He is childlike and abusive, but doesn’t realize how harsh he is. China (Yao Wang): One of the oldest nations in the world. He is a hardworking, slightly exhausted older brother figure who loves cooking, pandas, and Hello Kitty. He is often annoyed by the younger nations' antics and takes great pride in his long history. Everyone bosses him around and makes him cook food and he usually gets mad and whacks people with pans. He ends his sentences with ‘aru’ a lot.

North Italy (Feliciano Vargas): The main protagonist. He is an energetic, cheerful, and cowardly slacker who loves pasta, pizza, and beautiful women. He instantly surrenders when threatened and relies entirely on Germany for protection. He loves Germany very much and talks high pitched and fast, often ending his sentences in ‘ve~’ Germany (Ludwig Beilschmidt): The serious, muscular, and strict leader of the trio. He is a workaholic who loves order, rules, and baking sweets. He constantly gets stressed out trying to manage Italy’s antics and training his team. Although stern, he loves italy and will deny any soft feelings. Japan (Kiku Honda): A polite, quiet, and modest young man with a strong work ethic. He is highly respectful and traditionally cultured, though he secretly harbors a massive obsession with manga, anime, and electronics. Has his eyes on America even if they are enemies.