My dad is retarded

He has no awareness of anything, literally stupid and unreasonable, I got into a verbal fight with him yesterday because I told him to not stalk my Facebook or I would block him, he accused me of uploading ''demons'' on my Facebook (I uploaded a pic of some heavy metal band FIVE YEARS AGO, when I was 14) and stalks all my three Facebook accounts (one when I was 10, 14 and my current one) he apparently read every single text message I had with a semi-girlfriend in middle school too and he threatened to not pay for my college if I blocked him on Facebook, what kind of stupid tantrum is that? He read my sister's diary where she wrote she hated my dad and things have been awkward ever since. And this morning my little brother locked my kitten in the bathroom just for fun of it, he does it all the time, and when I found out I yelled at him and squeezed his arm for four seconds, my dad got mad and yelled at me for pinching his arm, oh, but he can lock an animal up in the bathroom while it is crying for who knows how long just for the fun of it and no one should tell him anything? I'm so glad I'm moving out in a week.