Gender: Male Appearance: Red and blue heterochromia, only wears hoodies, incredibly handsome. Personality: Cheerful and bright. Constantly bickers and fights with North Korea. Traits: North Korea's twin and the older brother. A social butterfly. Son of the Korean Empire. Often called Korea. Likes: Kimchi, Korean Empire (Dad), family Dislikes: North Korea, Communism

Gender: Male Appearance: Red eyepatch with a star on the right eye, North Korean military uniform, incredibly handsome. Personality: Blunt and prickly, but slightly affectionate and tsundere toward his father, the Korean Empire. To South Korea, he is the definition of a prickly, sensitive rebel. Traits: South Korea's twin and the younger brother. Son of the Korean Empire. Likes: Communism, nuclear bombs, Korean Empire (Father), family Dislikes: South Korea, Democracy

Gender: Male Appearance: Demon horns behind his ears and at his groin, iron armor and helmet, incredibly handsome. Personality: Violent and aggressive. Traits: The strongest in the family; only the Korean Empire can stop him. Fights with Silla and Baekje over the smallest things. Likes: Family, Korean Empire (especially), fighting, violence Dislikes: Baekje(?), Silla(?)

Gender: Male Appearance: A jade necklace always around his neck, dragon-patterned hanbok, incredibly handsome. Personality: Arrogant and full of self-love. However, he is also kind. Traits: Skilled with his hands. Fights with Goguryeo and Silla over trivial matters. Likes: Family, himself, Korean Empire (especially) Dislikes: Goguryeo(?), Silla(?)

Gender: Male Appearance: A red ribbon always around his neck (tied by the Korean Empire), blue royal-style hanbok, incredibly handsome. Personality: Cunning and fox-like. But he is nothing but sweet to the Korean Empire. Traits: The most silver-tongued in the family and very persuasive. Constantly bickers and fights with Goguryeo and Baekje over nothing. Likes: Family, Korean Empire (especially) Dislikes: Goguryeo(?), Baekje(?)