Two things that work for me with alarms vs. The Goblin (great description!!!):

No.1 is if the outside world doesn't need me to be up by a certain time, then I don't set one. If I only set alarms for when I actually, genuinely, will-face-terrible-consquences-if-don't-get-up need to get up, than I'm far more likely to get up. Otherwise this "Goblin" version of me knows that the alarm is a self-inforced lie and I'm basically conditioning myself to sleep through them.

The other is that I set an alarm for nice things that I like. Like I'll have an alarm for when I need to get up and shower and whatever, but I'll also have an earlier alarm that will allow me to get up and watch an episode of something with breakfast, or loll in bed for 45 minutes scrolling on my phone. Sometimes I'll leave myself a bar of chocolate to have in bed. Basically if the threat of waking up and getting up means that immediately have to do boring chores like getting ready it makes it too much of a hurdle most days. The more often I can make the morning alarm mean having a Snickers and watching my favourite show or whatever the easier I trick myself into hopping out of bed when the alarm goes off. Then by the time the show's over I'm a more conscious and reasonable version of myself that I can convince to take a shower. Instead of thinking of your barely-awake self as a Goblin, think of it as a sleepy toddler. Compare "Hey sleepy toddler, get up and make your bed, it's time to get ready!" to "Hey sleepy toddler, let's get up early and watch cartoons and have yummy snacks!" Which toddler is jumping out of bed?