A random creature... very much resembling one of Trancy Mick's Sergals, though the coloring is obviously different. I'm actually having a difficult time figuring out what this creature is, specifically...

I assume that the creature is intelligent yet feral and prefers to walk on all fours... but should it be a sergal? Or something else? Perhaps something as crazy as a dreamwalker/nightmare monster? I'd love to hear opinions!