Welcome to TCS! Bless you for taking in a deaf cat - I have a deaf cat, he is white with blue eyes and his name is Kahu.
Deaf cats are absolutely wonderful, they have the best personality (sorry I am biased
) and they are basically the same as other cats when it comes to raising.
When I want Kahu's attention and he is awake, I wave at him - I do it every day and he waves at me to get my attention now. He is amazing - he knows the sign for food so whenever I sign it to him, he comes running to the kitchen. AWESOME!
I try and not to wake him up because it can scare him, but he often sleeps in a box - I made a "bedroom" out of a box and put a blanket in there, he loves it so much, its his "bedroom" and he feels safe in there - perhaps you could do the same thing for Zorra. Whenever I want to let Kahu know that we have his favourite wet food out, I knock on the box and he knows what is happening - it is a routine with us.
He does not like being tapped from behind when he doesn't see you coming - it scares him and he will run off and hide in his "bedroom"
Kahu plays all the time, he is so much fun and we enjoy playing with him.
He is also fearless, except for strangers - he doesn't like being touched by people he doesn't know but otherwise, he is wonderful.
And he is oh so affectionate, I love it - he comes up to us begging to be petted and cuddled, its just amazing. And he has a sweet personality.