Chris Vrenna is a very prolific musician who has been involved with many bands including Nine Inch Nails, Smashing Pumpkins, Hole, Marilyn Manson, Rob Zombie, Green Day, David Bowie, Skinny Puppy, and many more. His work tends towards the more gothic industrial or ambient. Chris Vrenna helped with Nine Inch Nails' Pretty Hate Machine, Broken, and Downward Spiral, as well as being one of the tour members for many years. He also collaborated with Trent Reznor on the Perfect Drug single from the Lost Highway motion picture. He produces his own music under the name of Tweaker, which features many guest artists.