Millie's grandfather is a collector of many items. He is a generally happy person, who simply wants to hang out with his granddaughter. After his wife died, he never remarried. He has a small workshop with a lot of mechanical objects, including Funtime Freddy. He has gray hair.
Jeff & Audrey Fitzsimmons
Jeff and Audrey are Millie's parents. They're optimistic despite facing many failures, such as starting big projects and never finishing them, or constantly switching jobs. Jeff and Audrey are currently in Saudi Arabia, after Jeff was offered a one-year teaching job. When Millie is trapped in Funtime Freddy, she wishes they weren't so far away.
Rob & Sheri Fitzsimmons
Rob and Sheri are Millie's uncle and aunt. They enjoy the Christmas season, which Millie finds revolting.
Cameron & Hayden Fitzsimmons
Cameron and Hayden are Millie's cousins. They are ecstatic for Christmas, which Millie finds extremely revolting. Hayden has blue eyes.
Dylan is Millie's love interest. They bond over a shared interest of horror stories. Dylan is the only person she enjoys spending time with, and slowly develops a crush on him. She starts reading poems about love instead of death. However, her hopes are dashed when she finds him hanging out with Brooke at a Christmas party. Dylan explains that he simply viewed Millie as a friend, and not a girlfriend. He has red hair, silver earrings, glasses, and braces.
Brooke is a classmate in Millie's U.S. government class. Millie deems her as "basic", despite never talking to her. Dylan is disappointed that Millie would judge someone based on appearance. She wants to be a veterinarian and is blonde.
Hannah was Millie's best friend in elementary school. However, she left Millie in high school to join the popular group. Millie pities her because she knows the group does not truly care for her.
Millie is a social outcast in her school. Her classmates call her "Dracula's Daughter".