Heckle an Jeckle was a theatrical cartoon series created by Paul Terry, and released by his own studio, Terrytoons. The characters were a pair of identical magpies who calmly outwitted their foes in the manner of Bugs Bunny, while maintaining a mischievous streak reminiscent of Woody Woodpecker. However in a number of their cartoons (Moose On The Loose (1952), Free Enterprise (1948)) their foes win in the end. Their names were inspired by Robert Louis Stevenson's famous novella Strange Case of Dr. Jekyll and Mr. Hyde.