Spencer Joseph, known professionally as That Kid, is an American singer, songwriter, and social media personality from Denver, Colorado. His debut single "Dial Tone" gained traction within the hyperpop subculture, a genre in which he has since become a prominent figure. Since then, he has released three mixtapes, Crush (2020), Superstar (2022), and TK Ultra (2024). His self-proclaimed debut album, So Famous, released on June 5, 2026.