When Caliban first steps onto the screen in Logan, it’s impossible to tell who’s under that killer costume. But after he took off his bandana and goggles, a little bell of recognition probably went off in your head — there’s something familiar about the photosensitive mutant tracker. Caliban is played by a British writer, comedian, and actor Stephen Merchant. But he’s had quite a career long before he landed the choice role of Charles Xavier’s caretaker. So where on Earth have we seen this guy before?