Manuel Zappadu (born 14 May 1990 in Olbia), known as Hell Raton, is an Italian rapper and record producer. He is best known for his project Machete Empire Records and his crew Machete Crew, founded in 2010 with Salmo, Slait and En?gma (the latter having exited it in 2016); as well as for being one of the four judges in the fourteenth season of X Factor Italia, which was won by Casadilego who formed part of his category (Girls). He returned for the fifteenth season and won again with Baltimora.

Source: Wikipedia (https://en.wikipedia.org/wiki/Hell_Raton)