She started terrorizing the other two adult cats immediately upon arrival. Climbing to the top of the cat tree and kicking Hurley out.. Chasing Pandora down the hall. It was total kitten chaos.
Even though Hurley was kicked out of the cat tree, he was the first cat to really accept the new addition and take care of her.
Eventually Pandora decided she was okay.
Mostly, I think Pandora thought she was dirty and in need of a good bath.