The Relentless Killing Machine Returns, kids! Faster, deadlier and as misunderstood as ever. Heavy is the head that wears the crown and monarch of this undersea kingdom is the RKM. And today he takes an hilarious look at social networking. Expect more off the cuff, from the hip, radical, yet family friendly coolness like this in future. Unless we pack it in at the first sign of some serious dosh, of course.