Well there is no defeat. All you have to do is find Herbert .
i just went to see a video on how to do it
watch this video Club Penguin Mission 11 Veggie Villain Walkthrough
first talk to gary
You click on the map and it gets you out if hQ
It is called The Veggie Villain.
Its in the lighthouse under the piano.
Mission 11, "The Veggie Villain"
On the actual website the last mission is Veggie Villain.
There isn't a veggie villain code.