Air Kraken

We first see this creature during the battle of Mechanicsburg perched a top the airship city looking rather confused. Most likely it is a creation of Professor Senear a spark who seems to specialize in flying monsters.

Relevant outside information
On roundworld Air Kraken bring presents on Gogglemas day and they also have their own day of celebration air-kraken-day Celebrated the same day as St. Patricks day.