įollowing his success in freestyle battles, he decided to pursue a musical career. He also won the FMS Argentina and the international tournament Red Bull Batalla de Gallos, both in 2018. Starting as a freestyler, he won the Argentine competition of freestyle battle El Quinto Escalón on several occasions, achieving national recognition. Valentín Oliva, professionally known as Wos (stylized in all caps), is an Argentine singer, actor, and freestyler.