Brandon Darner is an American record producer and musician. He has produced albums for a wide variety of artists, including Imagine Dragons (Interscope), To My Surprise (Roadrunner), and his own alternative rock band, The Envy Corps (Vertigo), among others. Brandon Darner is a founding member of the band The Envy Corps. He was also an early member of Slipknot. He replaced Greg Welts (their percussionist at the time) when he was fired from Slipknot.