This was a fun, short romp. Easy to pick up and play.
I don't think he was that ugly! In fact, I thought all of the art, animation and characters were charming. I'm not sure you needed the exploration rooms before the boss battles, which were the big shows, but I did appreciate it the first round so I could learn the controls and bash those bushes. I love the explosion of leaves at the end. I almost think you could have reused that particle effect to get rid of the enemies once they'd been defeated. Kind of funny just having them lay there after.
I like that the enemies could harm one another. I noticed on the second level with the rock monsters, and it was fun trying to get them to collide. But then I rolled away and into a wall and got stuck inside the wall, forcing a restart.
Overall, a great solo dev entry and a fun jam experience. Great work.