My part Siamese is Bonkers

My "black" (actually he's dark brown in sunlight) cat that I adopted from the animal shelter, Riley, is part Siamese. Had I known that most "black" cats are actually Siamese mixes I never would have chosen him.  Siamese cats are the #2 type left at shelters, and there are reasons for it.

Anyway, he is now 12 years old and loves me like his kitty mommy. :)  I love him too and would be eaten up with guilt if I gave him up.

There have been behavioral problems from the beginning:  He attacks my other cat when he wants to play and bullies her in general.  (They were adopted at the same time.)  I have to feed them separately so she can eat.  I utilized the services of a vet behaviorial specialist, and we exhausted all options.  My vet said that if these two were humans they would have divorced long ago.  Subsequently I have learned that Siamese cats DO NOT want ANY other cats around, just them and their owner.  My cats don't even cuddle up and sleep together like "normal" cats; he goes his way, she hers.

He scratches the carpet, even though there are cat scratchers all over the place.  My other cat has never done this; she uses the scratchers.  A girl I used to work with had a few Himalayans, and she always talked about how she was having problems with them scratching the carpet.  She was a renter like I am, so it's a big deal.  I bought some expensive deterrent and attractant sprays, which helped a little bit but the carpet here has been damaged, there's no question.

He has always been incredibly hyper and sleeps little.  Every morning I am awakened by his crying/yowling about 6 to 7 am --  he wants to play.  Siamese cats are described as "playful," which is a nice term for it. 

We went through a phase where I was being awakened by him repeatedly in the middle of the night, only I didn't know it was he.  I had this new weird abdominal pain, and I thought that the pain was disrupting my sleep.  It turned out my 19-lb. part Siamese was leaping onto my abdomen!

He can't just use the box -- he has to dig, dig, and dig to China.  He also covers the food, even when it's in the dish, with anything he can find nearby (plastic bag, etc.).  That is frantic, hurried, and incessant action just like the box "digging."

More recently he has begun walking around yowling for no apparent reason.  I don't know what his problem is.  He will not come to me when he does this, and if I go to him to try to pick him up he reisists.  Sometimes he will use the litter box after this yowling, sometimes the water dish.  He is completely healthy; the vet says that there is nothing wrong with him.  I have started ignoring it because I don't want to encourage this behavior, and it has subsided a little.

In addition to the above-mentioned sprays and the behaviorist I have also used the Feliway plug-ins which have helped somewhat, but they are expensive and I can't afford them right now, even at the discount price.

There is no hope of my ever having a serious relationship with this cat around, as I doubt anyone else would put up with all of this.  Also I can write off having a roommate with Riley in the picture.

Thanks for listening; I just had to vent, as this is all very frustrating.