Ron Ethan Yohann, credited as Fen Viallee was born on June 11, 1990, in Chennai, Tamil Nadu, India. He is professionally a music composer in the Tamil film industry. He composed his first song in 2012, in the Tamil movie
, directed by M. Sellamuthu, and produced by X.B.Rajan. In 2015, he composed scores for the movie Maya a horror movie directed by Ashwin Saravanan and produced by ,
, Gopinath P., Thanga Prabaharan R., and S R Prabhu. Ron Ethan got recognized by this movie. In 2016, he composed scores for the Malayalam movie Oppam. In 2019, he composed music for various movies such as Sigai, Game Over, Madhanam, Naragasooran, and Irravaakaalam.