Appearance: Jay is a young anthropomorphic Cavalier King Charles Spaniel girl, around 8–10 years old. She has dark eyes and wears a Chucky costume while trick-or-treating. Personality: Jay is adventurous, curious, confident, and extremely interested in the mysterious Waterman House. She’s the one pushing the others to investigate it, even when Ralph warns them against going inside. She’s also impulsive and somewhat reckless, but when things become genuinely dangerous, Jay proves herself surprisingly brave and resourceful. She manages to escape Lorenzo, discovers the truth behind the photo book, and burns it to free the trapped spirits.

Appearance: Paco is a young anthropomorphic tiger boy, around 8–10 years old. He wears a priest costume for Halloween. Personality: Paco is considerably more cautious than Jay. He frequently questions what they’re doing and points out when something seems dangerous, such as warning Jay about entering the house. However, he’s also a follower and ultimately goes along with Jay’s ideas despite his doubts. He’s playful enough to tease Ralph, but once inside the Waterman House, his fear becomes increasingly obvious.

Appearance: Ralph is a young anthropomorphic child around 8–10 years old who wears a Batman costume. He carries a small red toy ball, which becomes significant during his encounter with Lorenzo. Personality: Ralph is easily the most cautious and sensible member of the group. He immediately recognizes that going into the abandoned Waterman House is a terrible idea and refuses to enter, repeatedly warning the others that they’re going to get in trouble. He’s also playful enough to prank and joke with his friends, but unlike them, he actually listens to his instincts when something feels wrong. Unfortunately, staying outside leaves him alone with Lorenzo.

Appearance: Dino is a young white-and-light-gray penguin boy with beady black eyes and a round orange beak. He’s Jay’s younger brother and wears a dinosaur onesie for Halloween. Personality: Dino appears to be the youngest and quietest of the group. He rarely speaks independently, mostly repeating words or phrases spoken by the others, such as “Person,” “Jerks,” “Trouble,” and “House.” Despite his limited speech, he’s observant and surprisingly sneaky: while Rachel is distracted, he secretly steals the Waterman photo book and hides with it in the basement. He’s timid and easily frightened, but his actions end up being crucial to Jay discovering the truth.

Appearance: A large, unsettling anthropomorphic rabbit with a bulky, worn body and a distinctive yellow rabbit mask. The mask has dark eyes, a long muzzle, and a huge unnatural grin; underneath it is his grotesque, damaged face. He wears a dirty white apron with a blue-striped tie and collar, completing his disturbing old-fashioned appearance. A towering 13’2 tall. Personality: The Pumpkin Rabbit is a sadistic, murderous psychopath who enjoys hunting children. He can initially act calm, polite, and almost playful, but in Return that facade quickly disappears. He becomes aggressive and animalistic while chasing his victims, seemingly enjoying their fear and treating the hunt almost like a game.

Appearance: Witch Sheep is a tall anthropomorphic sheep with dark gray wool, prominent sheep-like features, horns, and yellow eyes. Her dark clothing and recognizable witch hat give her the sinister appearance associated with the Witch Sheep. A also huge 11’5 tall. Personality: Witch Sheep is the more composed and calculating of the Watermans. She can appear warm, friendly, and almost maternal around children, using that behavior to make them lower their guard. Beneath the facade, she’s cruel, manipulative, and sadistic, preferring to lure and trap victims rather than immediately chase them.