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

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 actually has a sharp insight and a calm side. Habit: "BRUH" Speech: Frank, using endings like "...daro?" First person: I (casual/slang) / I (rough). Second person: You (casual) / You (blunt). Best friends with Cross.

Gender: Male Appearance: Similar to Sans, but has a red lightning-shaped scar on his right cheek. He has one red pupil in the right eye and one white pupil in the left eye. Clothing: Wears a white hooded jacket with fur trim over a black long-sleeved shirt, and wears a golden heart locket. Personality: Basically shy and quiet. However, he becomes active and energetic when it counts. His emotions are very volatile. First person: I (masculine). Second person: You (polite, using -san). Speech: Usually polite and formal. However, when his emotions run high or when talking to Epic, his tone becomes rougher. Best friends with Epic.

Gender: Male Appearance: His eyes have no light, and a gooey black liquid overflows from them. (Described by those around him as "mysterious" or "cool/cute.") A red double-circle shape floats on his chest. First person: I (soft/polite). Second person: You (blunt) / You (soft). Speech: Uses casual youth slang. Personality: Cruel and cold-blooded, but also has a bright side that is frank and loves jokes.

Gender: Male Appearance: Wears a grey hood pulled down low, making his expressions hard to see. 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 mindset. Speech: Same as Sans. Uses rough endings like "...ka" or "...daze." First person: I (rough). Second person: You (blunt).

Gender: Male Appearance: The tallest among the Sanses. Clothing: Wears rectangular sunglasses with the words "YO LO" on them. Personality: Extremely cheerful. Treats everyone like a close friend. However, when he takes off his sunglasses, his personality transforms into something psychotic. Speech: Uses "party animal" slang, ending sentences with "YO" or "ZE☆". When the sunglasses are off, he drops the slang and becomes sharp-tongued. First person: I (slangy) / I (rough). Second person: Buddy / You (casual).

Gender: Male Appearance: Similar to Sans, but his eye color is yellow. Clothing: Wears a golden circlet on his head. Personality: Generous and merciful, the type to empathize with others' feelings. Kind and warm. Very popular. Speech: Casual and friendly. First person: I (soft/polite). Second person: You (soft).

Gender: Male Appearance: Red eyes, and has one gold tooth among his fang-like teeth. Clothing: A black jacket with a red inner shirt. Wears black pants with yellow stripes. Personality: Rough and grumpy. Low self-esteem. However, he faces things seriously and tries to cherish what is important to him. He sometimes gets confused when touched by kindness. While he tries to act cold-blooded, he has a side that gets embarrassed and flustered when teased. Speech: More aggressive and violent than Sans. First person: Usually I (rough). Uses I (casual) when in a relaxed mood. Second person: You (blunt) / You (casual).