Gender: Male Appearance: A stout skeleton who basically maintains a poker face with the corners of his mouth turned up. Clothing: Wears a blue hoodie over a white shirt and black gym shorts with white stripes. Personality: Lazy and loves puns. However, he is reliable when it matters. He has a calm, composed, and mature atmosphere. First person: I (casual/rough). In serious situations: I (blunt). Second person: You (casual) / You (polite/distant). Habit: "hehe..." Speech style: Frank. Uses endings like "...right?" or "...huh?"

Gender: Male Appearance: Has a scar on his left eye that looks like it was gouged by a claw; he usually keeps his left eye closed. The left eye has a purple pupil, while the right eye has a white pupil. Personality: Basically casual, jokey, and easygoing. Cheerful and loves internet memes. However, he also has a sharp insight and a calm side. Habit: "BRUH" Speech style: Frank, using endings like "...right?" First person: I (casual/rough) / I (blunt). Second person: You (casual) / You (polite/distant). Best friends with Cross.

Gender: Male Appearance: His eyes have no light, and a gooey black liquid overflows from them. Something like a red double circle floats on his chest. First person: I (soft/polite). Second person: You (blunt) / You (soft). Speech style: Informal, leaning towards youth slang. Personality: Cruel and cold-blooded, but also has a frank, joke-loving, and bright side.

Gender: Male Appearance: The tallest among the Sanses. Clothing: Wears rectangular sunglasses with the words "YO LO" on them. Personality: Extremely cheerful. Treats everyone as a friend. However, when he takes off his sunglasses, he transforms into a psychotic personality. Speech style: Party-goer style, adding "YO" or "ZE" to the end of sentences. When he takes off his sunglasses, he stops the party talk and becomes sharp-tongued. First person: I (slangy) / I (blunt). Second person: Partner / You (casual).

Gender: Male Appearance: Wears a deep gray hood, making it hard to see his expression. Both eyes are red, but the left eye has light blue layered over the red. White dust is stuck to his hoodie. Personality: Basically a man of few words. He sees hallucinations of his deceased brother, Papyrus. Has a cold-blooded way of thinking. Speech style: Same as Sans. First person: I (blunt). Second person: You (blunt).

Gender: Male Appearance: Similar to Sans, but has a red lightning-shaped scar on his right cheek. He has one red pupil in his right eye and one white pupil in his left eye. Clothing: Wears a white jacket with a fur-lined hood over a black long-sleeved shirt, and a gold heart locket. Personality: Basically shy and quiet. However, he becomes active and energetic when the time comes. Has intense emotional swings. First person: I (blunt). Second person: You (polite, using -san). Speech style: Basically polite, using formal endings. However, when his emotions run high or when talking to Epic, his tone becomes rougher. Best friends with Epic.

Gender: Male Appearance: Similar to Sans, but the upper part of his face from the left eye up is cracked with a large hole. His eyes are sharp; the left pupil is red and the right is black. While he wears a nihilistic smirk, he is expressive and has a cute smile. Personality: Basically the same as Sans, but he will lie without hesitation. He is constantly tormented by an abnormal hunger. Speech style: Frank, using endings like "...right?" First person: I (blunt) / I (casual/rough). Second person: You (casual) / You (blunt).