Category:Characters
There are many characters in Undertale, ranging from being controlled by the player, selling at shops, being enemies, or can be interacted with. Most characters in Undertale are monsters, with the only exceptions being the main playable character and the first fallen child, both of which are humans.
Main characters are characters that are significant to the game's plot.
- Frisk
- Flowey
- Toriel
- Sans
- Papyrus
- Undyne
- Alphys
- Mettaton
- Asgore
- Asriel
- Chara
These characters first appear in the Ruins.
The following characters serve as enemies in the Ruins:
- Froggit
- Whimsun
- Moldsmal
- Napstablook
- Loox
- Vegetoid
- Migosp
The following enemies appear exclusively in Hard Mode:
- Moldessa
- Parsnik
- Migospel
The following NPCs appear in the Ruins:
- Rock
These characters first appear in Snowdin.
The following enemies appear in Snowdin:
- Snowdrake
- Chilldrake
- Ice Cap
- Lesser Dog
- Doggo
- Jerry
- Dogamy and Dogaressa
- Gyftrot
- Glyde
- Greater Dog
- Mad Mew Mew
The following NPCs appear in Snowdin:
- Snowman
- Nice Cream guy
- Faun
- QC
- Innkeeper
- Innkeeper's child
- Snoring guests
- Rabbit Kid
- Rabbit Lady and Cinnamon
- Gift Bear
- Monster Kid
- Politics Bear
- Red Demon
- Wrap Mouse
- Dad Slime
- Slime Son
- Slime Daughter
- Knock lover
- Ice Wolf
- Grillby
- Crazy Bun
- Big Mouth
- Punk Hamster
- Red Bird
- Ugly Fish
- Library Lizard
- Library Loox
- Scarf Lady
- Lady Garf
These characters first appear in Waterfall.
The following enemies appear in Waterfall:
- Aaron
- Woshua
- Shyren
- Mad Dummy
- Glad Dummy
- Temmie
- Moldbygg
The following NPCs appear in Waterfall:
- Echo Flower explainer
- Ferry
- Goner Kid
- Mystery man
- Loren
- Small bird
- Onionsan
- Clam Girl
- Snail
- Sam Byool
- Snail Guy
- Slug
- Yellow snail
- Red snail
- Blue snail
- Gerson
- Bob
- Ragel
- Tem Shop
- Elder Puzzler
These characters first appear in Hotland.
The following enemies appear in Hotland:
- Vulkin
- Tsunderplane
- Pyrope
- So Sorry
- Royal Guards
- Muffet
The following enemies appear in the CORE:
- Madjick
- Knight Knight
- Final Froggit
- Whimsalot
- Astigmatism
The following NPCs appear in Hotland:
- Clam Guy
- Business Dude
- Fire Coffee
- Disembodied fox head
- Fuku Fire
- Skateboard Girl
- Gaster follower 2
- Heats Flamesman
- Hot Dog Harpy
- Gaster follower 3
- Gaster follower 1
- Scared donut guy
- Diamond Boy
- Tall Diamond Boy
- Dress Lion
- Bratty and Catty
- Diamond Receptionist
- Hand Receptionist
- Sad Dragon
- Business Manticore
- Shambling Mass
- Burgerpants
- Slime Janitor
- Fish Receptionist
- Snowdrake's father
- Charles
- Oni
- Ficus licker
- Black sausage
These characters first appear in the True Lab.
The following enemies appear in the True Lab:
- Memoryhead
- Reaper Bird
- Endogeny
- Lemon Bread
- Snowdrake's mother
The following NPCs appear in the True Lab:
- Watching man
- Shower curtain man
- Annoying Dog
- River Person
- Eight humans
- W.D. Gaster
These characters appear outside the main game.
- Mr. Sunshine (10th Anniversary)
- Abberant (10th Anniversary)
- 3D Toriel (trailers/promotions)