Abaddon is one of the infernal names used in LaVeyan Satanism, and is first in the list — only as it comes first alphabetically — and means "the destroyer."
Abaddon (band), a Polish band. Abaddon (demon), chief of the demons of the seventh hierarchy. Abaddon the Despoiler, a character in the Warhammer 40, 000 fictional universe Abaddon, a demon in the sci-fi series Torchwood Abaddon Books, an imprint of Rebellion Developments Abadon El Exterminador, a novel by Argentinian writer Ernesto Sabato Summer in Abaddon, 2004 album by the indie rock band Pinback Pseudonym of Tony Bray, drummer in black metal band Venom
In the season one finale of the "Doctor Who" spin-off, "Torchwood," this monster is the thing that has apparently been hiding in the Cardiff Rift. I know for one I'm never naming a child this. I just get this image of a giant demon stomping around Cardiff, killing everyone who gets in his shadow. Nooo way, man.