Valentín Oliva, known professionally as WOS, is an Argentine rapper, singer, and actor. He gained prominence as a freestyler, winning major competitions such as El Quinto Escalón, FMS Argentina, and Red Bull Batalla de los Gallos. After his success in freestyle, WOS shifted to a musical career, releasing his debut album Caravana in 2019, followed by Oscuro éxtasis in 2021, and Descartable in 2024. His music blends urban sounds with alternative rock, earning him multiple Gardel Awards and nominations, including a Latin Grammy nomination for Best New Artist. WOS is also known for his acting roles, including appearances in the Netflix series Almost Happy and BREAK IT ALL. With his raw, energetic performances and insightful lyrics, WOS has become a defining voice in Argentina’s music scene.