I love the art and animation for the main character it looks unique and cute! I like the concept of switching characters to switch between skills. I think the water rising was a bit quick for me I struggled to platform fast enough, it might help to slow it down to allow for larger margin of error. I think making the enemy collider smaller and more forgiving might be nice too.
Overall a charming game that is fun to play, and interesting to figure out which character to use and when. Great work!