How Do I Get My Dog To Respect Me And Obey Me Without Being Mean?

I have 2 dogs. One is a female toy poodle who is very well behaved, is potty trained, and is obedient and very sweet. Her name is Buttercup. My other dog is a male cockapoo who is kinda grumpy, growls a lot, doesn’t like to obey, and pees in the house lots. His name is Wesley. I want to know how to get Wesley to obey and respect me. It would also help if I could get him to stop peeing in the house. Both dogs have not been spayed or neutered.