a literary nightmare actaeon aegis angel argonauts artemis athena balor basilisk bitmap blackadder caravaggio catoblepas celtic mythology cockatrice computer prank coventry deity dionysus earworm energy epilepsy evil eye examples of the motif of harmful sensation in fiction fatal hilarity fnord fomorians gloomy sunday god gorgon greek mythology harp indigenous australians ireland jorge luis borges judeo-christian lady godiva language latin america legend literature lugh macbeth mark twain metaphysics neal stephenson necronomicon north odyssey photosensitive epilepsy portugal psychic rabies rhine semele sensation shiva siren snow crash spain stendhal stendhal syndrome strobe light taboo tantra the king in yellow the mosquito the temptation of saint anthony third eye urban legend vitalism yoga zeus