We already have the tiniest, cutest rottweiler you can imagine. Actually it's a "chipoodle," a cross between a chihuaua and a poodle, and for some reason ours looks like a tiny rott. It turns out that last night when my other roommate got home, he let the cat in to play with the dog. And play they did, all night. The kitten is actually significantly larger than the puppy, and it was whoopin' some chipoodle ass.
Sorry I don't have an actual picture yet, but this is almost exactly what our dog looks like. This picture is of a rottweiler puppy.