There's two, that's one's good, this one's bad
And woo hoo! She's quite lewd, barely clad
But the brat bites your throat
And then that's all she wrote
You're all through getting screwed--you've been had!
David Cairns with Surly Hack
Real life identical twins Mary and Madeleine Collinson star in Twins of Evil (John Hough, 1971).