FNZ are an Australian record production duo composed of Michael "Finatik" Mulé and Isaac "Zac" De Boni. The group was formed in 2009, signing to fellow producer Jim Jonsin's Rebel Rock Entertainment the following year. They first received credits on his productions for much of the following decade, although they've since expanded their work doing so independently by the 2020s.

James Gregory Scheffer, known professionally as Jim Jonsin, is an American record producer from South Florida. He has produced for numerous musical artists, including Beyoncé, Kelly Rowland, Usher, Lil Wayne, Kid Cudi, Eminem, Pitbull, Yelawolf, Nelly, Mary J. Blige, Wiz Khalifa, Danity Kane and Jamie Foxx, among others. He won a Grammy Award for his work on Lil Wayne's 2008 single "Lollipop," and received a nomination for Best Rap Album for his work on "Whatever You Like" by T.I. that same year. Furthermore, both songs peaked the Billboard Hot 100.