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.
She was impressed and Castellaneta was hired. The Simpsons Edit. Castellaneta is most famous for his role as Homer Simpson on the longest running animated television show The Simpsons. The Tracey Ullman Show included a series of animated shorts about a dysfunctional family.