Agonizing Terror were formed in Aveiro in 1993 with the name Pain Possessed. The following year they changed name to Obnoxious Odium and, later, to the final Agonizing Terror. In October 1995 they released their first demo tape, ‘Disharmony in god's Creation’, featuring an intro and five tracks of a Death Metal with some Grind influences. Some concerts followed. The band’s line-up was always a bit unstable, but the core was always guitarist Tojó and the drummer Sara. They were featured in a number of cassette compilations (‘Beowolf Comp.