Wow! Great thkiinng! JK
King Slately of Jetstone and/or Don King of Transylvito may have warned them of Stanley and tried to persuade them to join the Royal Crown Coalition. But they evidently do not see Gobwin Knob as a really serious threat, and so have chosen to attack their traditional enemies in Transylvito. They may have a Foolamancer.
Real World References
Carpudlian is a reference to Liverpudlian, the term for denizens of Liverpool, England.
It is also likely a reference to the Carpathian mountains, a range which forms the boundary of Transylvania within Romania, and historically a notoriously troublesome region.