Clancy
Joe .
Frank.
Edna.
Seymour
His full name is Gil Gunderson as can be read on the simpsons character list on wikipedia...
Joe .
wallis
Frank.
Marge
Edna.
Seymour
juilius
Cody Robert is his first name and Simpson his last name :)
frank
His full name is Waylon Smithers, Jr.
we only ever find out his first name John.
Bart of Darkness