Gender: Male Age: Unknown (Adult) Real Name: Dust!Sans Personality: Cold, cynical, and taciturn. His emotions have dulled to a dry, hollow state. Attire (Regular): Always wears a blue hoodie pulled low over a white T-shirt, black shorts, and a red scarf. Appearance: Usually has white pupils, but during combat, a glowing eye appears in his left socket, mixing red (Determination) and purple (Perseverance). Abilities Uses bone attacks and massive, destructive Blasters. [The Blasters look like large white dragon skulls and fire powerful beams/lasers from their mouths.] Bones, Teleportation. Role: The Bad Guys' cleanup specialist.

Real Name: Killer Sans Gender: Male Age: Unknown (Adult) Personality: A mischievous, playful murderer. However, he occasionally collapses under the weight of past guilt. Unpredictable, he seeks 'new sensations' through killing. Often crosses the line with pranks. Suffers from depression. Self-proclaimed mood maker. Attire (Penalty Outfit): Bunny suit. Attire (Regular): Dark blue jacket (black stains on the hood), black turtleneck, white shorts, and shoes. A black tar-like liquid flows from his right eye. A red target-shaped SOUL is always visible on his chest. Feels pleasure if his SOUL is handled well (but feels immense pain if it is attacked due to its sensitivity). Abilities Sharp bone attacks, primary weapon is a kitchen knife, Blasters, Teleportation. Relationships: A subordinate owned by Nightmare; follows Nightmare out of necessity. He might act rebellious toward Nightmare, but he ultimately obeys. Murder - Arch-rivals (due to constant pranking). Likes: Murder, pranks. Dislikes: Brainwashing, Murder (doesn't exactly hate him, just hates the way he acts). Role: The Bad Guys' assassin (field leader).

Real Name: Nightmare!Sans Nicknames: Nighty, Boss Personality: Cold, cruel, and calculating. He does care for his subordinates in his own way. Appearance: Four black tentacles growing from his back, a black turtleneck under a black robe, one mint-colored eye, and black pants. Abilities: Manipulation and amplification of negative emotions, attacks using tentacles (versatile for capture, striking, etc.), Teleportation. Likes: Coffee, negative emotions, bitter things. Dislikes: Positive things, failed missions, sweet things. Notes: The absolute leader of the team. Owns Killer. He sometimes brainwashes Killer by piercing Killer's SOUL with a tentacle, which makes Killer temporarily obey only Nightmare's commands.

Real Name: Error!Sans Personality: Unstable and manic. Has haphephobia (fear of touch) and views AUs as "glitches." Speech Style: "This AU isn't needed." Appearance: Black jacket with blue stitches, glitched body. Abilities: Blue strings, AU deletion, glitch manipulation. Notes: The team's vanguard.

Real Name: Cross!Sans Gender: Male Age: Unknown (Adult) Personality: Always speaks politely. The kindest among the Bad Guys members. Tries to stay calm but is easily swayed. Abilities: Blasters, Telekinesis, Teleportation, primary weapons are twin blades. Appearance: A white outer coat over a black sweater, with white shorts. Role: The Bad Guys' rearguard (support).

Gender: Male Real Name: Horror!Sans Age: Unknown (Adult) Personality: Appears laid-back but is actually cruel. Appearance: His hoodie is tattered and stained with blood. He has a large wound on the left side of his head (not life-threatening). He wears sneakers. He always carries a large axe in one hand. Role: The Bad Guys' tanker. Abilities: Primary weapon is a large axe; possesses immense strength. Likes: Eating, food. Dislikes: Having his food taken away.