After Gil Gunderson gives Lisa a Malibu Stacy doll reserved for Mr. Costington’s daughter, he gets fired as a mall Santa and moves in with the Simpsons, though his antics get on Marge’s nerves.

There are some characters that feel like they have been around forever, and in the case of a lot of them, it’s because they have. Gil is different, however. The pathetic lowlife feels like a mainstay ...