Bob's TGirls And Their Fucking Machines 3. Six more of the world's top transsexual performers think they can take on Bob's Fucking Machine . . . who will win?. Aubrey Starr, Isabella Sorrenti, Kimberlin Rixx, Mara Nova, Tyra Scott and Vixxen Goddess have their lube at the ready, their pretty holes puckered and are ready to submit to the machine!.