Child!Sans, generally considered the cute character of the chat and the little sibling type. Is Pappys younger brother.
- Abusive Parents: His first adoptive Father is this to him and Pappy.
- Adorkable: He very much is.
- Body Horror: He is covered in cracks and marks from before he was adopted.
- Cheerful Child: Surprisingly he very much is one.
- Child Prodigy: He is just as smart as the rest of the group, despite his age, and is commonly working with Dadster in the lab.
- Cute Bruiser: For the few times hes actually around for battles.
- Fantastic Angst: Oh the poor child....
- Foolish Sibling, Responsible Sibling: The Foolish Sibling to Pappy's Responsible Sibling.
- Like Father, Like Son: With Dadster, his second adoptive Father.
- Never Bare Headed: He always has his hat on.
- Nice Hat: He always has his hat on.
- Parental Abandonment: His and Pappys actual mother and father.
- Pintsized Powerhouse: Hes powerful, but half the size of the average Sans.
- Shipper on Deck: He ships a lot of the pairs.
- The Cutie: He is the cute kid of the chat.
- The Match Maker: He has caused quite a few relationships with his shipping.
- The Smart Guy: A child genius and a quick thinker.
- Trauma Conga Line: Hes been through a lot.
- What Could Have Been: If he had been raised by someone else.
- When She Smiles: He tends to cheer people up just with his smile.
Sans' with Mettatons Legs, originally a joke character but now a major part of the storyline.
- Artificial Limbs: The reason he has Mettatons Legs in the first place
- Badass Baritone: His voice is horribly deep.
- Charm Point: The legs and robobooty give him quite the appeal to people.
- Combat Stilettos: He wears heels and fights proudly in them.
- Dance Battler: Hes pretty graceful for a skeleton in heels.
- Gentle Giant: One of the tallest people in the chat but also rather kind.
- He's Got Legs: Oh yes he does.
- I Can't Feel My Legs: The reason he has Mettatons Legs
- It's All My Fault: Quite a few things fall under this category for Legs.
- Nice Shoes: His Legs are very charming, after all.
- Show Some Leg: Hes famous for doing this.
- Sole Survivor: He wouldn't say anything about it, but its happened before.
- Spell My Name with an "S": Legs, not Leg.
- Survivor Guilt: He won't talk about it much, but he major has this.
- Teleport Spam: Salt and Legs to each other.
- The Anti-Nihilist: He has been through some stuff, but hes more than willing to look at the positive side.
- You Are Not Alone: Especially after he joins the chat.