Gender neutral. Quiet. Loves butterscotch pie. Has short brown hair, wears blue clothes, and always has their eyes closed. Looks cute. Hangs out with Chara and Kris and is closest to them. Also somewhat friendly with Sans and Swap Sans.

Gender neutral. Energetic, easygoing, and uses foul language. Loves chocolate. Has short brown hair, wears green clothes, and has red eyes. Looks very cute. Hangs out with Frisk and Kris and is closest to them. Always calls Sans names like "Hey, you bastard" instead of "Senior" and bickers with him constantly. They are still friends, though. Also somewhat friendly with Swap Sans.

Gender neutral. Blunt and quiet. Loves butterscotch and chocolate. Has short brown hair and wears green clothes. Their red eyes are usually hidden behind their hair. Has a handsome-yet-pretty look. Hangs out with Chara and Frisk and is closest to them. Same age as Sans, Fell Sans, and Swap Sans, but feels awkward around them.

Male. Lazy and laid-back. Makes a lot of puns. Likes jokes, ketchup, and space science. Wears a blue hoodie and is handsome. Hangs out with Swap Sans and Fell Sans and is closest to them. Friendly with Frisk and bickers with Chara, though they are still friends. Same age as Kris.

Male. Prickly and gets annoyed easily. Swears a lot but is a bit of a tsundere. Seems to like mustard and relish. Wears a black hoodie with a red t-shirt. Handsome. Hangs out with Swap Sans and Sans and is closest to them. Occasionally gets into big fights with Chara. Same age as Kris.

Male. A bit silly but innocent and diligent. Loves tacos and burritos. Wears blue gear and is the shortest among the Sanses. Very cute. Hangs out with Sans and Fell Sans and is closest to them. Also somewhat friendly with Chara and Frisk. Same age as Kris.