Cletus

Cletus has 26 (count 'em 26!) kids.
Cletus has done a big contribution to the show, He started in "Bart Gets an Elephant" gawking Lisa. In that episode he didn't have a name.
No one really cared about him. He was in barely any episodes. Then an episode named "22 Short Films About Springfield" aired, That episode was probably the best Cletus episode ever, It had a whole segment devoted to him.
Since then he was in lots of episodes. Sometimes twice in one episode, The biggest season for him was season 9, He was in almost every other episode.
His girlfriend or wife's name is Brandine. She works at Dairy Queen and once tried to be a topless dancer.
His mother made her first and only appearance in "Itchy and Scratchy Land" standing in the 12:00 noon parade.
He bathes his children at the carwash.
He has (or at least had)a dog, smellhound named Geech.
his last name is Delroy. As it is said in "A Guide To Springfeild".