OMG MY YOYO STARTED VIBING I THINK THE AXLE IS BENT SO I TRIED TO TAKE OUT THE AXLE, I TRIED THE DRILL, I TRIED THE PLIERS, I EVEN TRIED THE FREEZER! I JUST SPENT A TON OF MONEY ON THIS I REALLY NEED TO FIX THIS!
What yoyo is it? if it is a normal set screw set up then try vise grips. If vise grips wont do it you will be screwed because it means you will have twisted the axle, and snapped it off, or you are just not strong enough.
Make sure its not a bolt/nut axle setup. If that is what you are dealing with you will brake the yoyo trying to screw it out because that is not how you get those out.
This is a bit after the fact, since he’s got it out, but…
If it’s so stuck that a pliers etc doesn’t work, a hex key definitely will not work. Please read posts to get the complete details before you recommend a solution.