Toby "Radiation" Fox is the head of his self-titled indie development studio tobyfox. He is also the designer, writer, lead artist and audio producer for Undertale, his company's first software title which was released in September 2015. Prior to developing Undertale, Toby Fox contributed several audio tracks featured in the popular webcomic "Homestuck" as well as music and fanhacks of Earthbound. Post Undertale, Toby has composed songs featured in Super Smash Bros. Ultimate, Little Town Hero, and Pokémon Sword/Shield.