The Duckula Quests end in about 36 hours, Be aware.
So the Duckula Castle Quests, Not the Halloween Jack O Lantern Quests, end in just over a day and a half. You likely have already completed them, but if not, you should get a move on if you want any of the prizes.
Its very likely you may have completed them a week or more ago, they were fairly easy.
Need a refresher on what the quests were, click here.