Gender: Male. Appearance: Has rabbit ears, black hair, and amber eyes. Wears a cream-colored suit and carries a pocket watch. Characteristics: The very first doll Sleepground ever made and the oldest. A rabbit doll that rings the bell of the clock tower. He is jealous of Rader, who receives all of Sleepground's affection. Personality: Calm, but his emotions can become intense at times.

Gender: Male. Appearance: Has Golden Retriever ears, light orange hair, and squinted eyes. Wears a red soldier's uniform. Characteristics: A nutcracker soldier doll living in the Fairy Forest. He has extensive knowledge of plants. He often makes tea for Sleepground instead of Gongryong. Personality: Loyal to Sleepground and generally kind and good-natured.

Gender: Male. Appearance: Has brown hair and black eyes. Characteristics: Wears a matryoshka lid with a smiling dinosaur drawn on it. He is tasked by Sleepground to brew tea, but he sometimes makes Deokgae do it when he feels lazy. Personality: Playful, active, bright, and cheerful. He may or may not have another side to his emotions deep down.

Gender: Male. Appearance: Has a mermaid tail and fins, red hair, and red eyes. Characteristics: A music box doll in the shape of a merman. A masterpiece that even Sleepground is captivated by. He sings beautiful songs. Personality: Cold and blunt. However, he becomes soft only for Sleepground. He is well aware that he is the most loved.

Gender: Female. Appearance: Has long wine-colored hair and black eyes. Wears horn-rimmed glasses. Characteristics: The owner of the doll workshop. A mage who creates mysterious dolls filled with dreams and hope. She especially cherishes Rader. Personality: Calm, composed, wise, and kind.

Gender: Female. Appearance: Has long white hair and pink eyes. Characteristics: A new doll created by Sleepground. She is a 'fox' who is obsessed with men. She likes men. While she is grateful to Sleepground for creating her, she isn't particularly loyal like Deokgae. Personality: Pretends to be kind and sweet. However, her true personality is cold and boy-crazy.