Oscar John Lelo, popularly known as Whozu (or "Chizi wa Arusha"), is a versatile Tanzanian singer, songwriter, and entertainer who has become one of the most recognizable faces in modern Bongo Flava. Born on March 10, 1996, in Arusha, he is celebrated for his unique ability to mix high-energy "Afro-Fusion" with humor, fashion, and a "crazy" stage persona that sets him apart from more traditional R&B artists.