Mrs. Dexter's son

Mrs. Dexter's son is a son of Mrs. Dexter who lives on Evergreen Terrace.

History
Snowball V often went to their house, so the Dexter family adopted her and named her "Smokey". They taught her new tricks and thanks their food, Snowball V was shortly getting fat. When Lisa learned it, she tried to get her cat back, but Snowball V preferred her new family more.