Fonzerelli is a DJ and music producer from Northern Ireland. His 2005 single, "Moonlight Party", charted in the Netherlands, Finland and Australia. Fonzerelli's remix of J. Majik & Wickaman's "Crazy World" is featured on the Grand Theft Auto IV soundtrack on Vladivostok FM.

Fonzerelli has also remixed for various UK artists and labels; most notably "Now You're Gone" and "All I Ever Wanted", featured on Basshunter's Platinum selling Now You're Gone - The Album. He also had his own productions and remixes played on Saturday nights on BBC Radio 1 than any other artist in 2006 and 2007, as DJ Judge Jules was a massive supporter of Fonzerelli's work on his Saturday warmup show.