Halloween imagery tends to involve death, evil and the occult, magic, or mythical monsters. Traditional characters include the Devil, the Grim Reaper, ghosts, ghouls, demons, witches, pumpkin-men, goblins, vampires, werewolves, Martians, zombies, mummies, pirates, skeletons, black cats, spiders, bats, owls, crows, and vultures.