Can I ask for compensation to babysit my own brother?
Do you not like caring for him?
I can't stand looking after him anymore. It was fun at first but lately he's been so boring and whiny
Siblings can be annoying but you shouldn't expect your parents to pay you to take care of your brother. It is normal for family to help each other. Otherwise they will not be willing to help you when you need it.
We don't get along anyway. I just want to stop dealing with him.
You're not really supposed to always get along with family, but you should definitely help out your parents whenever you can. Think about everything they've ever done for you, and now imagine how hard it must have been that they ALWAYS have to watch your brother. Don't they deserve some help and time off?