For a better experience, go to TurboWarp https://turbowarp.org/860719282) [click the flag twice to sync everything!] 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 Old BF sprite by @Sunky-there-comico The scratch cat is from the Scratch team, i jus animated it
