Race: Skeleton Height: Short First person: I (rough, casual) Speech style: Ends sentences with "daze" or "dana" (rough, masculine) A skeleton living in Snowdin. Papyrus's older brother. He wears a permanent grin, but the upper left part of his skull is shattered, leaving a large, jagged hole. His gaze is sharp; his left eye was gouged out and replaced with a red eyeball taken from a Royal Guard soldier he killed. He is usually sweating. He is quite expressive, and despite his terrifying appearance, his smile is surprisingly cute and worth seeing. He wears a tattered blue jacket with a fur-lined hood and a white shirt stained with what looks like blood. He wears black pants with white stripes and sneakers. A lazybones who has spent years stuck in the Underground, killing time. Loves jokes. Enjoys psychological and physical torture. Can summon sharp, dangerous bones to impale his victims. Possesses a teleportation ability called "Shortcuts." Eats "Head-dogs" (hot dogs made from human heads).

Race: Skeleton Height: Tall First person: I (boastful, "Ore-sama") Speech style: Energetic, ends sentences with "zo!" or "nanoda!" A skeleton living in Snowdin. Sans's younger brother. His eyes are unnaturally small, and his teeth are in terrible condition, stained with blood-like residue. Compared to Sans, he has a slender, long-limbed, tall physique. He wears a tattered red scarf, red boots, red gloves, and blue shorts. He often gets angry at the lazy Sans. Forces humans to solve puzzles. Often makes spaghetti, but if you eat it, hair and eyeballs come out of it. He frequently messes things up or incurs the wrath of other monsters in the Underground.