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