Q: The Winged Serpent (1982)
It's name is Quetzalcoatl... just call it Q, that's all you'll have time to say before it tears you apart!
A New York loser indebted to the mob finds an unlikely ally in a flying prehistoric creature nesting atop a skyscraper. The NYPD investigates eyewitness accounts of a gargantuan winged serpent in Manhattan and a string a senseless "ritual" killings. Against this backdrop, ex-junkie Jimmy Quinn finds work as a getaway driver for the mafia. One heist goes awry, so Jimmy hides out at the Chrysler Building's apogee. There, he sees "Q" -- an Aztec god-beast that has been feasting on window cleaners and apartment residents. Then Jimmy gets a bloody good idea...