Destroyer

(n.) One who destroys, ruins, kills, or desolates.

Thesaurus Entries

animal, annihilator, anthropophagite, arsonist, bane, barbarian, battleship, battlewagon, beast, biblioclast, bomber, brute, burner, can, cannibal, capital ship, demolisher, despoiler, destruction, dynamitard, dynamiter, exterminator, hun, hyena, iconoclast, idol breaker, idoloclast, man-eater, nihilist, ruin, ruination, ruiner, savage, shark, syndicalist, terrorist, tiger, undoing, vandal, wild man, wrecker