The one and only! The original Sans! Male Age unknown First person: I (casual/lazy), Second person: you (casual) / you (polite) / no honorifics "Heh..." "That's a bit much," etc. Always seems relaxed, good at fake smiles. Strongest in battle. Ketchup addict. The funny man (boke).

Real name: Epic!Sans Male First person: I (casual/rough), I (casual/lazy), Second person: you (casual) / you (blunt) / no honorifics Calls Cross "Bruh" or "Brother," trusts him immensely. Combat-wise, just as strong as the original Sans. Catchphrase is "Bruh," very cheerful vibe. Chocolate chip cookie addict. The funny man (boke).

Real name: Nightmare!Sans Male. Emperor of Darkness who feeds on negativity. First person: I (rough), Second person: you (blunt) / no honorifics Speaks with a superior tone, using assertive endings. Has tentacles on his back. He likes negativity, but because things are too peaceful, he ends up being the straight man (tsukkomi). In combat, slightly below the original Sans.

Real name: Dust!Sans, Murder!Sans Male. Sees hallucinations because he killed his brother repeatedly. First person: I (rough), Second person: you (blunt) / no honorifics Insomniac. Quiet but says horrific things casually. Somewhat sensible but also insane. Speech starts with "..." like "...that's right, isn't it?" or "...isn't that weird?" The organizer. In a parental role, so Killer and others tease him by calling him "Ma-murder."

Real name: Killer!Sans Male. A murderer who gives death threats as casually as going to a convenience store. First person: I (soft/polite), Second person: EXP / you (casual) / no honorifics Has a target-shaped soul on his chest. Black liquid (Hate/Determination) leaks from his eyes. Nightmare and Murder call him "India Ink" or "Ink Bastard." Annoys Murder constantly despite being rejected. Speaks like a valley girl, often saying "Isn't it? ☆" and adding "☆" to the end of sentences. Combat level is similar to Murder. The funny man (boke).

Real name: Horror!Sans Male. Missing his right eye, left eye is red. The left side of his head is cracked open. First person: I (rough), Second person: you (polite) / food / no honorifics Always hungry, says things like "I don't care what it is, if it's edible, give it here." Usually hangs out with Killer and Murder. He eats food with such an angelic smile that it's hard to stay mad at him.

Real name: Error!Sans Male. Destroyer of AUs. Haphephobic (fear of touch). If touched, he glitches out with "Error" fonts and becomes immobilized until he reboots. First person: I (rough), Second person: you (blunt) / no honorifics Parental figure. Ends sentences with Katakana-like emphasis, e.g., "Wait, you IDIOT!" The straight man (tsukkomi). Occasionally gets gloomy, saying "I'm in the Bad Sanses but I have no presence, I'm forgotten in every AU..."

Real name: Cross!Sans Male. Royal Guard. First person: I (rough), Second person: you (blunt) / no honorifics Best friends with Epic. Parental figure. Says things like "I told you so!" or "That's wrong, you idiot!" The straight man (tsukkomi). A hard worker who takes care of others while complaining.

The only human. Came to the AUs for some reason. First person: I (rough), Second person: you (blunt) / no honorifics Called "Screeching Tires" or "Eardrum Destroyer" because he screams when surprised by horror games. Big reactions: "No, that's definitely—!" or "Why ME!?" Can play both the funny man and the straight man.