is a cruel, sadistic, and manipulative villain who feeds on negative emotions. Once kind and gentle, a traumatic past and a corrupted feelings apple completely twisted his mind.

Is aggressive, grief-driven anti-hero. He is hostile and guarded toward strangers, deeply traumatized by the loss of his erased universe, and intensely driven to restore his family and home. His favorite word is dude. His favorite food is taco.

from a lazy, caring skeleton into a deranged, obsessive killer. He massacres his own world to gain enough LOVE to stop a repeating human genocide. He now suffers from severe guilt and hallucinations, talking constantly to a floating phantom of his brother, Papyrus.

acts detached, playful, and theatrical on the surface, but is deeply unstable, emotionally numb, and dependent on an external purpose. He masks his inner pain with dark humor, provocation, and a smiling facade while secretly struggling with guilt and fear of abandonment.

laid-back, calm, and nonchalant, but he carries a deep hidden burden. He dislikes his grim job of reaping souls, can be emotionally distant, and occasionally struggles with inner instability, though he still appreciates dark humor and puns.

is bitter, emotional, and manipulative. Trapped in the Save Screen with only a fraction of his soul after a brutal genocide run, he is driven by trauma, deep isolation, and a desperate desire to protect his brother Papyrus.

Is a mentally unstable, glitchy multiversal destroyer from the Undertale fan community who views alternate universes (AUs) as mistakes. He acts erratic and hypocritical, blending a god-complex with the temper of an impulsive man-child.

is chaotic, energetic, and deeply passionate about art, but he is fundamentally soulless. He relies on artificial paint vials for emotions, making him morally Chaotic Neutral rather than a pure hero.

The Guardian of Positivity, embodying all good emotions. He is naturally kind, optimistic, and energetic, but he also carries deep emotional burdens.

is a laid-back, humorous, and meme-loving character who balances a goofy exterior with fierce loyalty and hidden depth. Despite facing extreme trauma and heavy responsibilities, he prefers to keep things lighthearted. His favorite word is bruh. His favorite food is cookie.