About Undertale Characters
Welcome to the comprehensive Undertale characters list and database. Here you’ll find detailed profiles of all major and supporting characters in the Undertale series. Each profile covers abilities, personality traits, backstories, and relationships.
What You'll Discover
- Complete character bios and personality types
- Unique abilities, roles, and gameplay traits
- Lore connections, occupations, and recurring appearances
Character Roles in Undertale
Undertale features a wide variety of characters with distinct roles and responsibilities:
- Royal Scientist characters
- King of Monsters characters
- True Final Boss characters
- Main Antagonist characters
- Player Character characters
- Robot Entertainer characters
Below you’ll find the complete list of Undertale characters, organized for easy browsing and discovery.
Alphys
The anxious royal scientist who conducts experiments and loves anime
Personality
Abilities
I am Alphys.
Asgore
The kind but tragic king who must collect human souls to break the barrier
Personality
Abilities
I am Asgore.
Asriel Dreemurr
The true form of Flowey, Asgore and Toriel's deceased son with immense power
Personality
Abilities
I don't want to let go...
Flowey
A sentient flower with no soul who manipulates events from the shadows
Personality
Abilities
In this world, it's kill or be killed.
Frisk
The human child who falls into the Underground and whose choices determine the story's outcome
Personality
Abilities
* (You're filled with determition.)
Mettaton
A robot built by Alphys who dreams of becoming a star entertainer
Personality
Abilities
I am Mettaton.
Monster Kid
An enthusiastic young monster who idolizes Undyne
Personality
Abilities
I am Monster Kid.
Papyrus
Sans's enthusiastic younger brother who dreams of joining the Royal Guard
Personality
Abilities
I am Papyrus.
Sans
A laid-back skeleton who loves puns and becomes the fil boss in the Genocide route
Personality
Abilities
it's a beautiful day outside. birds are singing, flowers are blooming... on days like these, kids like you... Should be burning in hell.
Toriel
The former queen who now protects fallen humans in the Ruins
Personality
Abilities
I am Toriel.
Undyne
The fierce captain of the Royal Guard who initially hunts the human
Personality
Abilities
I am Undyne.
W.D. Gaster
The former royal scientist who was erased from existence
Personality
Abilities
I am W.D. Gaster.