Magnus Osaronwafor Alvin (Born June 26, 1987), better known by his stage name "Alvin Spiff" and Musically Credited as "ASDT" is a Nigerian Afro-Pop Singer, songwriter and Music Producer. He hails from Port Harcourt, Nigeria. He attended River State Polytechnic, Bori, River State (Now known as Ken-Saro Wiwa Polytechnic) where he earned a Diploma in Civil Engineering. While growing up, Alvin was inspired to do music while listening to the likes of 2baba, Don Jazzy, Terry G, and a whole lot of other Nigerian Artiste. Alvin Spiff started building his music career when he dropped his first single titled "What Ya See “ in 2015, according to him, the track gave him some attention. He also gained more popularity in the city of Port Harcourt, Nigeria as a Record Producer in 2015 while working with some of the city's trending Artiste at that time. In March 2020, Alvin Spiff Released his first body of work, a 6 track EP, titled "Chicken Foot" which also gained massive streams on Music Stores.