We first see this creature during the Siege of Mechanicsburg perched atop Castle Wulfenbach looking rather confused.
It is possible that the creature's official name is a "Sky Kraken"; in Agatha H. and the Voice of the Castle, Gil makes a passing mention of such creatures, in the context of them being an occupational hazard to anyone who takes up a career in airship-piracy.
Possibly 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.