It is a cockatrice! A creature said the be the counterpart of the basilisk, usually depicted as a chicken with a lizard-like tail, or as a dragon with a rooster's head. It's said to be able to petrify people with it's glare.
I wanted my take on the cockatrice to be a mix of a rooster and a dragon. 'w' So there you have rooster-y head, body and legs, and a dragon's tail, horns and mixed wings. =w=/
I dunno why but I really like his design. I'd kinda wanna do more with him too... His name is Vasco and he's a grumpy but misunderstood creature. =w=
I was so happy to be able to draw again that I tried to color him a bit more nicely than I usually do, nyäh.
Cokcatrice originates from Greek mythology, I think.