Chris Vrenna (born February 23, 1967) is an American musician, producer, engineer, remixer, programmer, and founder of the electronic band Tweaker. Vrenna played drums for the industrial rock band Nine Inch Nails from 1988 until 1996, and was the keyboardist and drummer of the American rock band Marilyn Manson from 2004 until late 2011. As a member of Nine Inch Nails, Vrenna was inducted into the Rock & Roll Hall of Fame in 2020.