Jeff the Killer: American, British, Polish
Ben Drowned: American, Australian
Ticci Toby: American, German
Homicidal Liu: American, British, French, Welsh
Sully: Mexican, Najavo
Luring Lyra: American, German
Sally Williams: American, Australian
Sam Williams: American, Canadian
Lucille Stoner: Irish
Milo the Electrocuted: Italian
Hung Iris: Vietnamese
Clockwork: American, French
Zero: unknown (Alice is from Nigeria)
Alma Richardson: Brazilian
Vailly Evans: American, Puerto Rican, Austrian, French, Vietnamese
Nathan the Nobody: American, Latvian, Lithuanian
Crystal the Hidden: American, Latvian, Lithuanian
Eyeless Jack: African American
Lost Silver: Japanese
Kate the Chaser: Cherokee
Charlie Matheson Jr.: Cherokee
Rouge: Canadian
Wilson the Basher: Indian
X-Virus: American, Peruvian
Masky: American, Chilean
Hoodie: Southern American
Alex: Canadian
Jay: American
Seth: American
Sarah: American
Amy: American
Jessica: Hawaiian
Stripes: Greek
Lazari: Salvadorian
Red Death: German
Gas Mask Maid: American, Chinese
Bleedingman: American
Shadow Walker: American
Jane the Killer: Scottish
Mary Vaughn: Southern American
Nina the Killer: Cuban
Puppeteer: Romani
Bloody Painter: Korean
Judge Angel: British
Suicide Sadie: Swedish, American
Zachary the Proxy: American
Rosemary: American
Nurse Ann: Lebanese
Kagekao: Japanese
Jason the Toymaker: Irish
Killing Kate: Mexican
Chris the Revenant: American, Romanian
Randy: Mexican, Navajo
Keith: Ukrainian, American
Troy: American
Prowler: American, French
David Felton: American
Laughing Jack: unknown
Isaac Grossman: British
Raven: French
Sammy Kingsley: British
Lulu: American, Vietnamese, Norwegian
Dollmaker: Russian
Svetlana: Russian
Candy Pop: unknown
OCs
S.O.S.: Bulgarian, American
Ella: Ukrainian, American
Indigo: Ukrainian, American
Odessa: Ukrainian
Engine: Congolese
Ace of Spades: Italian American
The Mourning: Italian
Harbinger: Filipino
Quentin: American, Inuit, African
SweetNightTerrors's OCs
Theo Hunter: Australian
Rapid Fire: African American, Canadian