She is a cat. She is very much a cat. Even though she just randomly appeared there. She is a cat. Everything about her said cat.

She's is someone's familiar.

But mostly she is a cat. She bops him on the nose again.

"Yes, but when did that ever stop a cat if she didn't want it to stop her?" Trever said, coming over Chris. He'd been doing some basic learning of things in Sickbay since Dr. Crusher said he could learn nurse like things and be helpful.