THESAURUS
Fiend
Apollyon, Baba Yaga, Beelzebub, LSD user, Lilith, Lucifer, Mafioso, Old Nick, Old Scratch, Satan, Young Turk, acidhead, addict, aficionado, afreet, alcoholic, ape-man, barghest, beast, beldam, berserk, berserker, bigot, bomber, brute, buff, bug, cacodemon, chain smoker, cocaine sniffer, cokie, collector, cubehead, daeva, demon, devil, devil incarnate, devotee, diablo, dipsomaniac, dope fiend, doper, dragon, drug abuser, drug addict, drug user, drunkard, dybbuk, eager beaver, energumen, enthusiast, evil genius, evil spirit, faddist, fan, fanatic, fiend from hell, fire-eater, firebrand, follower, freak, fury, genie, genius, ghoul, glue sniffer, goon, gorilla, great one for, gunsel, gyre, habitual, hardnose, harpy, head, heavy smoker, hell-raiser, hellcat, hellhound, hellion, hellkite, hobbyist, holy terror, hood, hoodlum, hophead, hothead, hotspur, hound, hype, incendiary, incubus, infatuate, jinni, jinniyeh, junkie, killer, lamia, mad dog, madcap, maniac, marijuana smoker, methhead, monster, mugger, narcotics addict, nut, ogre, ogress, pillhead, pothead, pursuer, rakshasa, rapist, revolutionary, rhapsodist, satan, savage, serpent, she-wolf, shedu, snowbird, speed freak, spitfire, succubus, sucker for, termagant, terror, terrorist, the undead, tiger, tigress, tough, tough guy, tripper, ugly customer, user, vampire, violent, virago, visionary, vixen, werewolf, wild beast, witch, wolf, yogini, zealot
ROGET THESAURUS
Fiend
Demon
N
demon, daemon, demonry, demonology, evil genius, fiend, familiar, daeva, devil, bad spirit, unclean spirit, cacodemon, incubus, Eblis, shaitan, succubus, succuba, Frankenstein's monster, Titan, Shedim, Mephistopheles, Asmodeus, Moloch, Belial, Ahriman, fury, harpy, Friar Rush, vampire, ghoul, afreet, barghest, Loki, ogre, ogress, gnome, gin, jinn, imp, deev, lamia, bogie, bogeyman, bogle, nis, kobold, flibbertigibbet, fairy, brownie, pixy, elf, dwarf, urchin, Puck, Robin Goodfellow, leprechaun, Cluricaune, troll, dwerger, sprite, ouphe, bad fairy, nix, nixie, pigwidgeon, will-o'-the wisp, ghost, revenant, specter, apparition, spirit, shade, shadow, vision, hobglobin, goblin, orc, wraith, spook, boggart, banshee, loup-garou, lemures, evil eye, merman, mermaid, merfolk, siren, satyr, faun, manito, manitou, manitu, possession, demonic possession, diabolic possession, insanity, Maxwell's demon, demoniac, demonic, demonical, impish, demoniacal, fiendish, fiend-like, supernatural, weird, uncanny, unearthly, spectral, ghostly, ghost-like, elfin, elvin, elfish, elflike, haunted, pokerish, possessed, possessed by a devil, possessed by a demon, demonically.
Evil doer
N
evil doer, evil worker, wrongdoer, mischief-maker, marplot, oppressor, tyrant, destroyer, Vandal, iconoclast, firebrand, incendiary, fire bug, pyromaniac, anarchist, communist, terrorist, savage, brute, ruffian, barbarian, semibarbarian, caitiff, desperado, Apache, hoodlum, hood, plug-ugly, Red Skin, tough, Mohawk, Mo-hock, Mo-hawk, bludgeon man, bully, rough, hooligan, larrikin, dangerous classes, ugly customer, thief, cockatrice, scorpion, hornet, snake, viper, adder, snake in the grass, serpent, cobra, asp, rattlesnake, anaconda, canker-worm, wire-worm, locust, Colorado beetle, alacran, alligator, caymon, crocodile, mosquito, mugger, octopus, torpedo, bane, cutthroat, cannibal, anthropophagus, anthropophagist, bloodsucker, vampire, ogre, ghoul, gorilla, vulture, gyrfalcon, gerfalcon, wild beast, tiger, hyena, butcher, hangman, blood-hound, hell- hound, sleuth-hound, catamount, cougar, jaguar, puma, hag, hellhag, beldam, Jezebel, monster, fiend, devil incarnate, demon in human shape, Frankenstein's monster, harpy, siren, Furies, Eumenides, Hun, Attila, scourge of the human race, faenum habet in cornu.