Hi, I'm hoping I can get some insight on this issue.

I punished my bengal about 2 days ago, and he evenly started to use the bathroom on my office chair that he usually just lays on. It's getting really tiring, and I don't know how to punish him.
I feel that if I punish him he will be doing the same thing, peeing on my stuff.

Also, he is about to turn 2 next month, do you guys think that maybe he's going through his "teenage age" and he's rebelling?

Please help. I don't know what to do. And I don't want him using the bathroom on my bed next.

First of all, cats don't understand punishment. Actually, a lot of people think a cat pees and poops on things in retaliation and that is not the case. Trust me, your kitty is not retaliating against your punishment, however, did you hurt him in any way? You've got to re-establish the cat's trust again because now when he sees you, he sees punishment -- or whatever you did! It's never okay to swat or hit a kitty or pick up an adult cat by the scruff of the neck in anger. Mine knows what the word "no" means. Actually, I say it as NO!.

First, you need to be positive that there isn't a health condition that could be causing this. Once that's ruled out, then it comes to the litter box. Does he pee and poop on the chair or just one or the other? I'm sure you make sure the litter box is clean and it's large enough for your kitty (biggest complaint are the boxes are too small for the cat). You may want to put a litter box in your office. You've got to try a lot of different things to see what will allow your kitty to go back to using the litter box.

Spend more time with your kitty, talking softly. If you're concerned that he has to go to the bathroom, then place him in the litter box and see if he will use it. Make sure you clean any areas outside of the litter box that he uses completely to get rid of the odor. I'm afraid there is not a fast, easy fix. Most of all, praise your kitty. "Good kitty" may help.

I agree with everything Sherry said. Training through punishment is doomed to fail, and will often have unexpected consequences (like just general resentment towards you, or added stress which can manifest itself in many different ways). The fact that he is pooping in a chair is not any sort of retaliation, it's probably something like:

* he finds the litterbox situation to be unacceptable in some way. Maybe it's the litter, or the smell, or the location of the box, or that it isn't clean enough, or that there aren't enough litterboxes (some cats won't poop and pee in the same box).

or

* there is some type of physical ailment that is causing him discomfort when he "goes", and since he is not getting any help solving that ailment, he is searching for "creative" ways to maybe find a place he can go where it won't hurt or be uncomfortable.

Even if you could use negative reinforcement to train him not to go on the chair, it would be foolhardy to do so, because then he'd just have to pick a different place, and there's no guarantee that his new choice would be any better. Not only that but unless the punishment came at exactly the same time he was elimination on the chair, then for all he knows you could be punishing him for something completely different, and that's where the unexpected consequences comes in.

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The little monsters 3

Thank you so much guys! I just sprayed water on him with my little water bottle that I use to punish him. I would never hit him or swat him. I am going to clean around the litter box. It is a bit messy around it. And when I checked this morning, I saw that there were little bit of litter around the box. From where it falls out of his cute little paws. So hopefully that'll help. Also, I just bought him a new litter box about 3 weeks ago, and this litter box is bigger and enclosed than the other one. (The last one was tiny) but maybe he doesn't like being confide in a closed litter box?
You guys are great! Thank you so much for your input. I will try all these!

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The little monsters 3

Many cats do not like closed litterboxes as they hold in the odor! Jackson Galaxy recommends open boxes. If you're going to use a closed box, it must be clean and spotless for the cat. Would you want to go into a smelly bathroom and try to use it? Same thing with cats and they have such a sensitive nose. Luckily, the tops come off these boxes so if yours still doesn't want to use it, take the top off and see how he does.