Ok David Wain 馃挋 saw it already so I can share it here now 馃グ馃グ
I made this animation because of the Superjail Party Bar song. Since Grover is in jail, this song could suit him.
I studied the animation too and tried to fit it into Grover, but well, these are two different styles, so if it's a little bit awkward, please forgive me.