Tomorrow I pick up 2 more fur balls. 1 is a 3 month old female kitten and the other is a 10 year old male cat. Here is my game plan. I have gotten a new liter box, food, etc and I plan on putting the cats in my bedroom. Or at least the kitten has to go in there since she is being neutered today. Then I was going to introduce my other 6 one at a time to the cats. Just for a couple of minutes to get the hissing and growling out of the way. My normal routine is just to introduce them all at once in the living room but after I pick them up from the shelter tomorrow we go right to my vet for a blood work up and full exam. But since the male is 10 and has no front claws I wanted to do a one on one with each. Just to make sure no on tries to hurt him. All of my 6 have their claws but they are constantly kept short. My 6 range in age from 2 to 20. With the 20 year old only living with us for 3 years, when she came to live with us, she wasn't even fixed and she growls at everybody, she just prefers to be left alone and sleep all the time. I am a little afraid of the kitten who will still be sore from the neutering today. I would like to hear other suggestions or what you have done on introducing a new cat to a multi-cat house. They are all indoor cats, 3 boys/3 girls. Soon to be 4 and 4. We live in a row home in a Philadelphia. Also feel free to suggest names the 3 month kitten is black and the 10 years is gray with some tabby, he is not a feral cat he lived with seniors that could no longer care for him. They called him gato which means cat in Italian. Thank you.