Nimbus the Siberian cat likes to think of himself as a Purrari.

The most tried-and-true example is when you're told to leave each other alone and the more annoying sibling sticks a finger ...

These signs include avoiding each other or keeping their distance, swiping, biting, dilated pupils, flattened ears, hissing, litter box guarding, urinating outside of the litter box, territorial ...