IF YOU THINK ABOUT IT, FINN COULD ALSO BE THE MASTERY TOON FOR SHELLY BECAUSE HE GAINS A 33% MOVMENT SPEED WHEN A MACHINE IS FINISHED, AND SHELLY GETS A 25%; SO IF YOU THINK ABOUT IT, FINN SHOULD BE THE MAIN AND SHELLY THE MASTERY TOON BECAUSE FINN HAS A BETTER BOOST