His last name was given as "Del Roy" in the episode "Behind the Laughter".
•
He made several generic appearances on the show before being given his name in "22 Short Films About Springfield".
•
In the Season 19 episode "Apocalypse Cow", one of his many daughters, Mary, received a cow from Bart, which Bart wanted Mary to care for.
•
Cletus was introduced during the fifth season of the show, in "Bart Gets an Elephant", as one of the "slack-jawed yokels" gawking at Bart's elephant Stampy.
•
In "Marge vs. Singles, Seniors, Childless Couples and Teens, and Gays", his name is given as "Cletus Spuckler" in a news report.