Why is a dummy called a dummy? I mean I do them, and I am not stupid.
Oh course you are not.
I believe the original meaning comes from Alexandre Dumas. He had to come up with dumb things that musketeers might do if they were challenged by Cardinals (my favorite birds) and Dauphins (my favorite sea mammals). So he wrote a mock up book about these guys and it was so good that they eventually made it into a movie. And you know, movies are visual. So the producers said give us a dummy, Dumas. And he did. The term stuck.
The really cool thing is that there is an extra muskateer. Can you find him?
His name is d'Artagnan.
Just ask Martin Handford. Where's d'Artagnan???