Tomas Henry Gaynor, known professionally as Allday, is an Australian rapper, singer and songwriter from Adelaide. Gaynor became active in 2011, when he began uploading his music for free online. Following his works becoming increasingly popular, he moved to Melbourne, to pursue a serious career before later relocating to Los Angeles in February 2017. His works have been influenced by acts such as Silverchair, Frank Ocean, and TLC. Gaynor released his debut album, Startup Cult, in July 2014 to Australian audiences. Startup Cult achieved success and reached number three on the ARIA Charts.