"I'm not him, and he's not me." 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.
The James rig (the 3d one) is made by baldilover2310 https://scratch.mit.edu/users/BaldiLover2310/