Intelligent people, interesting and that they share the same thoughts.
(Some bands who taste, without particular order)Bethlehem, Deinonychus, My Dying Bride, Marduk, Desire, Moonspell, Anathema (old), Katatonia (old), Hypocrisy, Immortal, Beherit, Impaled Nazarene, Limbonic Art, Gorgoroth, Amorphis (old), Paradise Lost (old), Katatonia (old), Dimmu Borgir, Unleashed, Esoteric, Benetiction, Samael, Type O Negative, Mayhem, Rotting Christ, Summoning, Bathory, Celtic Frost, Macabre, Deicide, Morbid Angel, Mysticum, Enslaved, Emperor, Satyricon, Behemoth, Death, Venon, Carcass, Cannibal Corpse, Aghast, Abigor, Enthroned, Dark Throne, etc etc...
Fiction, Epics, Drama.
No
Ocultism and Metafisical Philosophy
Darth Vader and Vlad Tepesh Drakulea.