Release calendarTop 250 moviesMost popular moviesBrowse movies by genreTop box officeShowtimes & ticketsMovie newsIndia movie spotlight
    What's on TV & streamingTop 250 TV showsMost popular TV showsBrowse TV shows by genreTV news
    What to watchLatest trailersIMDb OriginalsIMDb PicksIMDb SpotlightFamily entertainment guideIMDb Podcasts
    OscarsPrimetime EmmysToronto Int'l Film FestivalFall TV GuideMost Anticipated This MonthSTARmeter AwardsAwards CentralFestival CentralAll events
    Born todayTrending peopleCelebrity news
    IMDb LabsHelp centerContributor zonePolls
For industry professionals
  • Language
  • Fully supported
  • English (United States)
    Partially supported
    Some content may be auto-translated
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Watchlist
Sign in
  • Fully supported
  • English (United States)
    Partially supported
    Some content may be auto-translated
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Use app
  • Biography
  • Awards
IMDbPro

Toby Fox(II)

  • Composer
  • Writer
  • Actor
IMDbProStarmeterSee rank
Kris and their classmate Susie fall into an unknown place called the "Dark World" where they meet Ralsei, who informs them that they are heroes destined to save the world.
Play trailer1:01
Deltarune (2018)
Toby Fox is a game developer and composer, most well know for his work on Undertale (2015) and for being a composer on Homestuck (2009) and Hiveswap (2017).

He was previously know as Radiation, is the founder of the Homestuck Music Contribution club and a contributor to the A Profound Waste of Time magazine.
BornOctober 11, 1991
  • More at IMDbPro
    • Contact info
    • Agent info
BornOctober 11, 1991
IMDbProStarmeterSee rank
Add photos, demo reels
  • View contact info at IMDbPro
    • Awards
      • 1 win & 5 nominations total

    Known for

    Undertale (2015)
    Undertale
    8.8
    Video Game
    • Composer
    • 2015
    Joe Porter, Oolay Tiger, Strelok, Zedrin, Courtney, Djsmell, David 'Citrus' Z, KateMarie999, Rev, Jen McGregor, Darcy Maguire, and Elissa Park in Glitchtale (2016)
    Glitchtale
    6.5
    TV Series
    • Soundtrack
    Deltarune (2018)
    Deltarune
    8.6
    Video Game
    • Composer
    • 2018
    Louis Badalament in Undertale with Voices: Genocider (2016)
    Undertale with Voices: Genocider
    7.9
    TV Series
    • Writer

    Credits

    IMDbPro

    Composer

    • Hauntswitch
      • Composer
      • Video Game
    • Instrument Maniac
      TV Series
      • composer
      • Composer
      • 2024–2026
    • Christopher R. Tobar in Battle for $1m (2025)
      Battle for $1m
      TV Series
      • composer
      • 2026
    • Timeline of an A-Type Main-Sequence Star
      TV Series
      • composer
      • 2026
    • I'll Try to Be Good Replanted!
      Video
      • music composed by (credit only)
      • 2025
    • Amane Kanata: Kataha
      Music Video
      • Composer
      • 2024
    • Houshou Marine: Dead Ma'am's Chest (2024)
      Houshou Marine: Dead Ma'am's Chest
      8.5
      Music Video
      • Composer
      • 2024
    • Pokémon Scarlet and Violet: The Hidden Treasure of Area Zero Part 2 - The Indigo Disk (2023)
      Pokémon Scarlet and Violet: The Hidden Treasure of Area Zero Part 2 - The Indigo Disk
      7.5
      Video Game
      • Composer
      • 2023
    • The Shape-Shifter ARG (2023)
      The Shape-Shifter ARG
      TV Mini Series
      • background music
      • 2023
    • Pokémon Scarlet and Violet: The Hidden Treasure of Area Zero Part 1 - The Teal Mask (2023)
      Pokémon Scarlet and Violet: The Hidden Treasure of Area Zero Part 1 - The Teal Mask
      7.3
      Video Game
      • Composer
      • 2023
    • The Greatest Living Show (2023)
      The Greatest Living Show
      Music Video
      • composer
      • 2023
    • Pokémon Violet (2022)
      Pokémon Violet
      6.8
      Video Game
      • Composer
      • 2022
    • Pokémon Scarlet (2022)
      Pokémon Scarlet
      6.8
      Video Game
      • Composer
      • 2022
    • Dwain Origins
      Short
      • Composer
      • 2022
    • Azoic Assault (2017)
      Azoic Assault
      TV Series
      • Composer
      • 2021–2022
    • Inkflyd (2022)
      Inkflyd
      TV Series
      • music
      • 2022

    Writer

    • The Greatest Living Show (2023)
      The Greatest Living Show
      Music Video
      • writer
      • 2023
    • Deltatraveler (2021)
      Deltatraveler
      Video Game
      • based on the video game by
      • 2021
    • Undertale with Voices: Pacifist
      8.0
      TV Series
      • based on the video game by
      • 2018–2020
    • Deltarune (2018)
      Deltarune
      8.6
      Video Game
      • creator
      • 2018
    • Louis Badalament in Undertale with Voices: Genocider (2016)
      Undertale with Voices: Genocider
      7.9
      TV Series
      • based on the video game by
      • 2016–2017
    • Undertale The Musical (2017)
      Undertale The Musical
      8.1
      TV Movie
      • based on the video game by
      • 2017
    • Save Him (2016)
      Save Him
      8.9
      Video
      • based on the video game by
      • 2016
    • Undertale (2015)
      Undertale
      8.8
      Video Game
      • creator
      • 2015

    Actor

    • MrSketchernet in MrSketchernet (2022)
      MrSketchernet
      TV Series
      • Heather
      • 2025
    • Dandy's World (2025)
      Dandy's World
      5.1
      TV Series
      • Poopy
      • 2025
    • Homestuck (2025)
      Homestuck
      6.1
      TV Series
      • John Egbert (voice)
      • 2025
    • Les Segpa au ski (2023)
      Les Segpa au ski
      4.1
      • Gaster
      • 2023
    • We Baby Bears (2022)
      We Baby Bears
      5.7
      TV Series
      • Jared (voice)
      • 2023
    • PaRappa the Rapper vs the 90's: ROAD RAGE (2019)
      PaRappa the Rapper vs the 90's: ROAD RAGE
      Short
      • Annoying Dog
      • 2019
    • Deltarune (2018)
      Deltarune
      8.6
      Video Game
      • Jevil
      • Queen
      • Spamton (voice) ...
      • 2018
    • Piemations (2012)
      Piemations
      8.5
      TV Series
      • Creator of Undertale (credit only)
      • 2016
    • Undertale (2015)
      Undertale
      8.8
      Video Game
      • Mettaton EX (voice)
      • 2015

    Videos3

    Official Trailer
    Trailer 1:01
    Official Trailer
    Deltarune
    Trailer 0:45
    Deltarune
    Deltarune
    Trailer 0:45
    Deltarune
    Deltarune: Chapter 5 Launch Trailer
    Trailer 0:45
    Deltarune: Chapter 5 Launch Trailer

    Personal details

    • Official site
      • X
    • Alternative names
      • Toby Radiation Fox
    • Born
      • October 11, 1991
    • Other works
      Romhack: EarthBound Halloween Hack - Creator

    Did you know

    • Nickname
      • Radiation

    Contribute to this page

    Suggest an edit or add missing content
    • Learn more about contributing
    Edit page

    More to explore

    Recently viewed

    You have no recently viewed pages
    Get the IMDb app
    Sign in for more accessSign in for more access
    Follow IMDb on social
    Get the IMDb app
    For Android and iOS
    Get the IMDb app
    • Help
    • Site Index
    • IMDbPro
    • Box Office Mojo
    • License IMDb Data
    • Press Room
    • Advertising
    • Jobs
    • Conditions of Use
    • Privacy Policy
    • Your Ads Privacy Choices
    IMDb, an Amazon company

    © 1990-2026 by IMDb.com, Inc.