Also known as FwugRadiation, he is the game developer, writer and composer of the critically acclaimed RPG Undertale.
He was a forum member on the EarthBound fan site Starmen.net with the alias name Radiation. He gained attention for his "EarthBound Halloween Hack" submission for Starmen.Net's 2008 Halloween Funfest.
He produced music for the webcomic Homestuck.
He is from Massachusetts.
He developed Undertale in the basement of Andrew Hussie's home.