Isaiah Rashad Joel McClain (born May 16, 1991) is an American rapper. His mainstream breakthrough followed after his performances on the 2012 Smoker's Club Tour alongside rappers Juicy J, Joey Badass and Smoke DZA. He is a founding member of the Chattanooga, Tennessee-based hip hop collective The House, which he formed with rappers YGTUT, Michael Da Vinci (MikeyD), Chris P, and Brian Brown.

McClain signed with the Carson, California-based record label, Top Dawg Entertainment to release his debut mixtape, Cilvia Demo (2014). Met with widespread critical acclaim, it marked his first entry on the Billboard 200 and foresaw McClain's inclusion as part of XXL Magazine's 2014 Annual Freshman Class issue. His debut studio album, The Sun's Tirade (2016) was met continued praise and peaked at number 17 on the chart. Preceding a series of public controversies, McClain signed with Warner Bros. Records to release his released his long-delayed second album and major label debut, The House Is Burning (2021).