When one of Papa Smurf's experiments goes terribly wrong, it indirectly leads to the creation of the high-flying terror known as the Howlibird--a monster determined to destroy all Smurfs.

The Smurfs and the Howlibird / by Peyo and Gos -- The Smurf Express / by Peyo -- You can't smurf in the way of progress / by Peyo.