I enjoyed it! The level design made good use of the different characters and I liked how many different areas and backgrounds you had in the game! The animations were great and the writing was quite funny.
I ended up getting to the boss but didn't seem to manage to be able to defeat them. They ended up vanishing but there wasn't any cutscene afterwards so I couldn't quite tell if that was a bug. The boss did end up having a green circle and then a red orb around them which I think indicated they took damage?