You can't throw a rock (or a bulb of garlic, or a wooden stake) these days without hitting a sparkly, angsty, pale-faced teenage vampire in a book, a movie or a TV show. It's inescapable. But one of the fun side effects that's emerged from the vampire craze is the chance to see some extraordinary mashup art that adds fangs to icons of sci-fi culture who you'd never thought you'd see as bloodsuckers.
Today we're kicking off a new daily feature for the month of October: 31 specials for the 31 days of Halloween. So check out 23 images of characters from movies, TV, comics and video games decked out as creatures of the night.