Madd Jay (rus. lang. - мэдд джей, безумный джей) russian music performer from Moscow. Former participant of the studio "A-Jay Beatz Star", and is a member of the "Xlson's Production" group (since 2018). In his music, he touches on politics, bloodshed and looting among the state. In 2014 he was put in a psychiatric hospital, in September 2016 he was released with a diagnosis of 'bipolar disorder'. In 2018, the Mayor's Office recognized Mad's as an enemy of the people and banned him from entering the Us territory. Also considered the most outstanding rapper in recent years.