Double-click flag so that the music syncs! You can replace characters by going into their costumes and replacing the poses with your characters' poses. You can also change some of the animation code if you want it to look different!
So... I came upon SquigglyTuff's project, and that is the original project above. And then, listening to the music, I thought; "Wait. What if Pumpkin Guy and Friends were corrupted...?" and came up with this What-If like project. (I just replaced the sprites lol)