Hopper and Hilbert like to (a) play-wrestle with each other, and (b) jump up on the fireplace mantel. Here they are doing both. Hopper has lately been taking control of these affairs, finally realizing that she’s the real alpha cat in the household even if her brother is bigger. As she’s finally figured out, being alpha is more about will and energy than about size, and she’s got both. Nonetheless, you can see in this picture about how seriously she takes it.