Prolaps is the supercharged union of Machine Girl producer, vocalist, and mastermind Matt Stephenson, and Kill Alters' producer, vocalist, and HausMo flagship artist Bonnie Baxter. In addition to her work with Kill Alters, Bonnie Baxter has released solo music under her own name including 2018’s Ask Me How Satan Started and 2019’s AXIS. Stephenson’s catalog with Machine Girl includes releases with Orange Milk, and a number of self-released albums including 2020’s acclaimed U-Void Synthesizer.