Odd that... The earlier versions of Hatchet (there have been five over a span of about twenty years) were actually designed to be more 'Skeksis-esque', and everyone referred to the puppet as 'that velociraptor in the show'... So in the last two incarnations, I just gave up and decided that he was a Velociraptor (even though he still isn't really... He's a Deinonychus... but most people just give me baffled looks when I say that) and now everyone says, 'Hey look - a Skeksis!'

Although the newest version is probably the closest to actual Velociraptor-ness that he's ever been:

http://shadowcircus.livejournal.com/200733.html