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.
Twenty-five years after The Simpsons made their TV debut, the show's creator talks about Homer's odysseyâand his own. Matt Groening, creator of the Simpsons, was going to name the main character Matt, but didn't think it would go over well in a pitch meeting, so he changed the name to Bart.