People adopt cats to match their carpet for a practical reason. Have you ever been tempted to get a dog to match your cat? Or vice versa? It's amazing how much these family members resemble each other, even though one is a cat and the other is a dog.
My brother from another mother? Identical twin sons of different mothers? We don't know a lot about these two, and the Tweet replies are all in Japanese. But they are obviously well-trained to pay attention to the director, and don't mind a bit to pose for the camera. One noticeable difference is that the cat doesn't care for birthday cake nearly as much as the dog does. You can get a longer look at these two in this video, available only at YouTube. -via Everlasting Blort