Don't know how important such things are to you, but if it was me, I'd think a bit more about sound design and get a bit more subtlety in there. For example, if a skeleton character is aprox 10 ft away from you (the camera) in a scene then any bone creaking foley effects should sound like they are also at that distance, rather than sounding like they are happening an inch from your ear in an an-echoic chamber ! Also music track is trying to be 'seriously' horror-style, and your animation is very much about the humour, so I wonder if that isn't sending some mixed messages to the viewer about what this is trying to be. You wanna try and find one of those Hanna-Barbera style tracks, which are much more 'comically spooky'. You know the sort of thing - where maybe pizzicato strings track the footsteps of a skeleton. But hey, it is possible to over-think these things, so feel free to ignore my ramblings if it's not something you are focused on 🙂
CBR