Dumbfoundead (멍청이) is an Argentine-American rapper and actor. He began his career in the 2000s as a battle rapper in Los Angeles and has since become one of the most prominent Asian-American rappers in the United States, known for his witty and socially conscious lyrics. He was born in Buenos Aires, Argentina to South Korean immigrants. His family immigrated to the United States when he was 3 years old and he became a U.S. citizen when he was 19 years old. He made his debut on May 12, 2008 with the EP "Fun with Dumb".