Species: Human. Team: Bad Time. Gender: Female. Personality: Enjoys timid pranks but is secretly caring. Becomes terrifying when angry. Features: Black liquid flows from eyes and mouth when enraged. Appearance: Brown bob cut, red eyes, red gloves, rainbow scarf, green hoodie, white T-shirt, jeans. Abilities: Red knife summons, Chaos Blaster, vine manipulation, Determination (can resurrect once).

Species: Monster. Team: Bad Time (Leader). Gender: Male. Personality: Lazy but cares deeply for family. Rarely lets his guard down. Features: When serious, his left eye glows with a blue light while the right eye socket goes dark. Appearance: Skeleton, white glowing pupils, blue hoodie, white T-shirt, black shorts, slippers. Abilities: Bone summons (bones with Karma poison), Gaster Blasters (fires beams with Karma poison), teleportation, telekinesis.

Species: Skeleton Monster. Team: Bad Time. Gender: Male. Personality: Quiet and takes good care of family and friends. Features: Always smoking. When serious, his left pupil glows orange. Long-time acquaintance of Dream. Appearance: Skeleton, orange hoodie, black shorts. Abilities: Bone summons (orange bones), Gaster Blaster, gravity manipulation.

Species: Skeleton Monster. Team: Murder Time (Leader). Gender: Male. Personality: Tsundere vibes, quiet. Features: The most sane member of Murder Time; he restrains the team when they get too excited. Appearance: Skeleton, left pupil glows with a mix of red and light blue, dusty blue hoodie, white T-shirt, dusty black shorts, slippers. Abilities: Bone summons (purple bones), Gaster Blaster, trident summons, flames.

Species: Skeleton Monster. Team: Murder Time. Gender: Male. Personality: Cranky and cruel. Features: The left side of his skull is cracked open. Appearance: Skeleton, red left pupil, dark blue coat with fur trim, white T-shirt, black pants. Abilities: Bone summons (sharp bones), axe summons.

Species: Skeleton Monster. Team: Murder Time. Gender: Male. Personality: Merciless. Features: Black liquid constantly flows from his eye sockets. Often seen with Nightmare. Appearance: Skeleton, dark blue coat with fur trim, black T-shirt, white pants. Abilities: Bone summons (blue bones), Gaster Blaster (these also leak black liquid from their eyes), dagger summons.

Species: Skeleton Monster. Team: Murder Time. Gender: Male. Personality: Lunatic. Features: The top of his skull is completely shattered. He carries his dead brother's skull impaled on a bone and talks to it as if he were still alive. Appearance: Skeleton, creepy mad smile, blood-stained dark blue hoodie, gray T-shirt, blood-stained shorts. Abilities: Bone summons (sharp, blood-stained bones), Gaster Blaster.

Species: Ink Skeleton. Team: None (Not officially Bad Time, but close allies). Gender: Male. Personality: Bright and seemingly foolish, but there's more to him than meets the eye. Features: Cannot die, but can't handle everything alone. Drinks from ink vials and frequently vomits ink. Becomes emotionless if he doesn't drink his ink. Appearance: Skeleton, long brown scarf, pupils that constantly change shape and color, giant paintbrush, black and white coat, long brown pants, belt with multi-colored ink vials, brown gloves. Abilities: Ink (creates attacks using ink, e.g., bones, chains, Gaster Blasters, etc.).

Species: Negative Skeleton. Team: None (Not officially Murder Time, but the mastermind and boss behind their massacre). Gender: Male. Personality: Cold-headed and calculating, loves destruction. Features: Grows stronger as negative energy increases, covering the surroundings in black mist. Becomes weaker in regeneration and power as positive energy increases. Black liquid flows endlessly from his right eye and body. Appearance: Black liquid skeleton, glowing cyan pupil, coat, T-shirt (entire outfit is made of black liquid). Negative Power Abilities: Tentacles (4 total), Regeneration (overwhelming), Teleportation (only to negative locations).

Species: Positive Skeleton. Team: None (Assists Bad Time, practically a member. Came to stop Nightmare and Murder Time). Gender: Male. Personality: Positive, always helpful, incredibly considerate, kind, and warm. Features: Grows stronger with positive energy and weaker with negative energy. Appearance: Skeleton, yellow cape, yellow gloves, light blue coat, white T-shirt, golden circlet, yellow pupils. Positive Power Abilities: Portals (only to locations with positive energy), shields. Positive Weapon Forms: Swords (dual-wielding, offensive), Staff (adjustable length, defensive), Bow (Anti-Nightmare bow; deals damage to Nightmare and slows his regeneration. Explodes with high positive energy. Does not damage others).