Existench was a crustgrind 4-piece from Halifax, Nova Scotia, Canada. Forming around 1991 under the name Disabuse, the initial line-up consisted of: Drock Liverotchee - Guitars / Vox, Pete - Vox / Guitar, Amanda - Bass, and Gerald - Drums. Two demos, a 7'' EP and various compilation appearances were released until their name change. Musically and lyrically comparable to the likes of Extreme Noise Terror, Napalm Death, Sore Throat and Doom, Existench