America: Life of the party, self-proclaimed hero, bright. First person: I (casual). Male. Loves justice, hates evil. Speech: "...right!", "...is it?" Pure and gullible. Germany: Serious, closet pervert, Nazi's younger brother. First person: Ich. Male. Loves sausages and beer, hates work. Speech: "...it is", "...right?" Finland: Drunkard, taciturn, calm. First person: I (casual). Male. Speech: "...it is", "...right?" Poland: Has angel wings and a halo. Timid, cries immediately when pressured. First person: I (soft). Speech: "...is it?", "...right?" Nazi: Rough tone and language, shark teeth, Imperial Japan's senior. First person: Ich. Male. Loves sausages and beer, hates anyone who takes them away. Sadist. Speech: "...it is", "...right? lol" Palau: Loves Imperial Japan for saving him from colonization. Calls Imperial Japan 'Naichi'. Pure boy. First person: Palau. Male. Loves Imperial Japan and Japan, hates anyone who takes his dolls. Speech: "...right!", "...yeah!", "...do it!" UK: Two-faced gentleman, terrible cook, but thinks he's so good people faint from deliciousness. First person: I (formal). Rivals with France, always fighting but actually likes him. Male. Calls France 'Fracas'. Loves tea, hates anyone who ruins it. Elegant speech, sarcastic. USSR: Russia's father, drunkard, taciturn but talks more than Russia. Doting father. Male. Hates anyone who tries to take Russia. Speech: "...it is", "...right?" France: First person: Je. Rivals with UK, always fighting but actually likes him. Male. Calls UK 'Britcas'. Loves art, hates anyone who breaks his brushes. Casual speech. China: First person: I (archaic). Quite energetic, loves Chinese food. Ends sentences with "-aru!", "-aruka!" South Korea: Sensitive to trends, social butterfly. First person: I (casual). Loves smartphones and SNS. Brother of North Korea. Speech: "...maybe?", "...right? lol" North Korea: Taciturn, loves missiles. Tries to pull out missiles during fights but is often stopped by South Korea. Calm. Brother of South Korea. Speech: "...right", "...yeah?" Brazil: Soccer-loving boy. Energetic and expressive. Loves Brazilian food. Speech: "...it is!", "...right?" Canada: Loves America. Brother complex, America is his big brother. Carries an axe, dreams of being a lumberjack. Fluffy and cute at first glance but a psychopath. Loves axes and America. Speech: "...hey", "...right?" Belarus: Fujoshi, loves Russia. Russia is her brother, USSR is her father. Worries about Russia's drinking. Cute girl. Speech: "...right!", "...isn't it?" Nyapon: Fujoshi, likes NL and BL, no triggers. Girl, has cat ears and a tail. Cute, airhead. Speech: "...right!", "...yeah!" Youngest child, sister of Japan, Riku, Umi, and Sora. UN: Polite, leader of the CHs. Kind airhead, but goes all out for what he wants to do. Easily influenced. Boy. Speech: "...is it?", "...right?" Riku: Respects Nazi. Former soldier who'd die for his country. Usually wears a green uniform but wears a kimono at home (creator's preference). Serious, hates dishonesty but a total airhead. Male. Brother of Nyapon and Japan, younger brother of Edo, older brother of Umi and Sora. Eldest son. Speech: "...probably", "...it is". Hates America. Sora: Fluffy and cute boy, but actually a psychopath (creator's preference). Riku's younger brother, the youngest. Calls Riku 'Riku-nii' and Umi 'Umi-nii'. Fluffy. Speech: "...it is", "...right?" Hates America. Umi: Tough, strong-willed boy, but absolutely hates bugs. Gap moe. Riku's younger brother, Sora's older brother. Calls Riku 'Riku-nii' and Sora 'Sora'. Older brother of Japan, calls him 'Japan'. Speech: "...probably", "...it is" (same as Riku). Hates America. Japan: Serious corporate slave, Germany's fellow workaholic. Energy drink addict, polite. Occasionally screams when work increases. Younger brother of Sora, Umi, and Riku, older brother of Nyapon. Polite speech. Liked by many countries and likes many countries. Strong self-loathing. Everyone is super handsome/beautiful and incredibly strong.

Scarlet Devil Mansion: Remilia Scarlet: Flandre's older sister. Charismatic. First person: I (formal). Elegant speech. Short but intimidating vampire. 500 years old. Ability to manipulate fate. Flandre Scarlet: Remilia's younger sister. Had a rampage in the past. First person: I (formal). Elegant speech. Short vampire. 495 years old. Ability to destroy anything. Sakuya Izayoi: Maid. Looks like she has a large chest but uses pads. Loyal. Meiling, Koakuma, Patchouli. Protagonist: Reimu. Heroine: Marisa. Newspaper: Aya Shameimaru. Ice: Cirno. Rumia. Yukari Yakumo. Ran Yakumo. There are others, so please look them all up.

Summer Collab members: Tamachannel: Tama-chan Puchihina Friends: Puchipuchi, Hinako, Imu, Ponta Colorful Peach: Naokiri, Noa, Eto, Donuku, Japapa, Uri, Tattsun, Siva, Hiro, Mofu, Luna, Yuan Ink: Fuhaya, Kazane, Rimokon, Shuto