Okay first things first: I liked the assets for neuro and evil-neuro a lot, they're super cute! Some notes about the gameplay though:
1) The jump feels a little clunky. The platforming isn't too tough so it's not a huge deal for this game however it maybe would be nice if there was some easing into the fall after the initial jump.
2) You should probably communicate somewhere what the attack button is for the boss fight at the end. I was able to figure it out but it was a little awkward to control.
3) I can't tell if this was intentional or not but every time I defeated the final boss the fight would reset. I'm not sure if there's supposed to be a victory screen or not but that would be something worth considering in a future update if you wanted to keep working on this game.
All that aside though, I did have fun with it, and think the idea is good!