Undertale Developers

This page is dedicated to all the people who helped developed UNDERTALE. Please note that this page does not include Kickstarter backers. It is ordered in the order of which the names appear in the True Pacifist credits, followed by the Neutral Ending credits.

Toby Fox
Toby Fox is the main developer and composer of UNDERTALE. Before UNDERTALE, he was best known for his contributions to the webcomic Homestuck and his 2009 Earthbound Halloween ROM Hack.

He is represented in-game by the Annoying Dog.

Temmie Chang
Temmie Chang is the main artistic assistant of Undertale. Her contributions include the prologue artwork, Toriel's house, overworld sprites and concept art.

She is represented in game by Temmie.

JN Wiedle
JN Wiedle, also known as Jones, is a freelance cartoonist and comic artist based in Brooklyn, New York. Their webcomic, Helvetica, which is centered on a skeleton named after the font Helvetica, is the inspiration behind the brothers Sans and Papyrus, both of which are named after fonts as well.
 * Papyrus (special inspiration)
 * Sans (special inspiration)
 * Undyne (fashion design)
 * Mettaton (special inspiration)

Magnolia Porter
Magnolia Porter is a freelance illustrator best known for her webcomic Monster Pulse. She is credited as an assistant monster designer.

Gigi DG
Gigi DG, formerly known as Peachifruit, is an artist who is responsible for the creation of the webcomic series Cucumber Quest, and the former webcomic Hiimdaisy. She provided extra art and testing for Undertale.

Bob Sparker
Bob Sparker from Tales from Electropolis served as special inspiration for Mettaton.

Sarah
Sarah was a special inspiration for Mettaton.

Michelle Czajkowski
Michelle Czajkowski is the author of Ava's Demon who guest designed Muffet.

Kenju
Kenju is a tile artist for area 3 and 4, and also a hyper tester.

Merrigo
Merrigo is the main background artist for UNDERTALE.

Drak
Drak did extra art and testing.

Clairevoire
Clairevoire did extra art and testing.

Easynam
Easynam contributed with overworld art.

Guzusuru
Duzusuru was an animation assistant.

Everdraed
Everdraed co-designed the Photoshop Flowey battle.

Flashygoodness
Flasygoodness provided programming help.

Leon Arnott
Leon Arnott provided programming help.

Mike Reid
Mike Reid was an "Other" monster designer.