Lackya

Lackya (spelling and pronunciation uncertain, since we have it from the Jagers) are a race of Constructs that serve Klaus. They were created by [the Gilded Duke], and picked up by Klaus relatively recently when he put the smackdown on the Duke. They need to serve someone, by their nature. They are used to deliver messages and generally boss people around.

There appears to be some antipathy between them and the Jagers; not really surprising, since they're more or less in competition for serving Klaus. No signs of outright warfare, but a real dislike. This is made worse because the Lackya are [arrogant], and tend to overtly look down on the Jagers, so the Jagers tweak them in return. However, even the Jagers know that [there are appropriate times to refrain] from hassling the Lackya.

They appear to be serpentine in nature, from [the green eyes and the way they hiss]; the Jager claim of them deriving from squirrels aside. They are also all more or less identical, in both looks and dress, unlike the relatively motley Jagers.