And while the cause of most of these sleep remnants is fairly obvious, the reason behind those sometimes-sticky, sometimes-crusty gobs of crud that can dot the lashes or cling to the corners of the eye is less clear.
Santa's Little Helper's initial appearance on The Simpsons was in the first episode of the series, Simpsons Roasting on an Open Fire, which aired on Dec. 17, 1989. Since then, he has become a recurring character.
He is voiced by Hank Azaria and first appeared in the series premiere episode Simpsons Roasting on an Open Fire. Moe is the proprietor and bartender of Moe's Tavern, a Springfield bar frequented by Homer Simpson, Barney Gumble, Carl Carlson, Lenny Leonard, Sam, Larry, and others. Moe's personality includes a short and violent temper, which has also involved numerous suicide attempts.