Branko Kljaić, born on August 3, 1986, better known by his stage name Fox, is a hip-hop musician and one of the main representatives of trap music in Serbia.His musical journey began in 2004, but he gained significant popularity in 2013 with the trap song "Ceo dan," becoming a member of the group Novosadska setka.

Towards the end of 2013, he released the first track from his album "Trap Guru Trap Boss," titled "Sujetu zaboravi."In 2015, Fox collaborated with numerous rappers including Rimski, Korona, Sajfer, Vuk Mob, Juice, Toni Der Asi, and Roleks.

This collaboration resulted in four tracks with a cypher for the EP "Hladna noć."The following year, in 2016, he dropped a mixtape titled "Turneja," featuring 14 tracks and guest appearances from artists like Roleks, Đare, Vještica, Monsta, Rimski, and others. During the production of this mixtape, Fox began collaborating with Coby, who produced the beat for the track "Trep bog," featuring Roleks.In 2018, Fox gained broader public attention with several single releases. He first teamed up with Surreal to release the track "Ja sam u gasu." This was followed by singles "Šurim bika" and "Fuccboi," leading up to the release of "Influenser" towards the end of the year, featuring Serbian journalist Teša Tešanović. These tracks served as a teaser for his upcoming album, "Trap Guru Trap Boss 2."