I was a weird kid. My God parent's son showed me Texas Chainsaw Massacre and the first 3 Friday the 13th movies when I was, like 7 or 8, I think? I don't remember being scared. I do remember being grossed out at a scene from TCM where a dude was pulling maggots off his head, torching them with a lighter and then eating them, tho.
But then Pet Cemetery scared the shit out of me and gave me nightmares for weeks when I saw it at 10 or 11. Not because of the supernatural shit; but because of the flashback scene of the sick sister. The way she looked and how she puked. That's real shit. That can happen to me. An undead kid trying to kill me can't. That's not scary.
I was also very afraid of the tornado in Wizard of Oz as a child. Because tornados are real!
Fuck, I forgot about Pet Semetary. That movie and IT, were the ones that I refused to watch again as a kid. And also, fuck tornadoes. "Twister" didn't really 'scare' me that much when I first saw it, but I wasn't really a fan either... cause fuck tornadoes